/* ===== CSS Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0f0f0f;
  --color-bg-alt: #1a1a2e;
  --color-surface: #1e1e2e;
  --color-surface-hover: #252538;
  --color-border: #2a2a3e;
  --color-text: #e8e8ef;
  --color-text-muted: #9898a8;
  --color-accent: #e8a598;
  --color-accent-hover: #f0b8ad;
  --color-accent-subtle: rgba(232, 165, 152, 0.12);

  --font-body: "Inter", system-ui, sans-serif;
  --font-heading: "Space Grotesk", system-ui, sans-serif;

  --header-height: 4rem;
  --container-max: 72rem;
  --section-padding: 5rem;
  --radius: 0.75rem;
  --transition: 0.25s ease;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-accent-hover);
}

ul {
  list-style: none;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: var(--section-padding);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.section__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.5rem;
  width: 3rem;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* ===== Header & Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

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

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 110;
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__menu {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: rgba(15, 15, 15, 0.97);
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.nav__menu.is-open {
  display: flex;
}

.nav__link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-text-muted);
  font-weight: 500;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }

  .nav__menu {
    display: flex;
    flex-direction: row;
    position: static;
    inset: auto;
    background: none;
    padding: 0;
    border: none;
    gap: 0.25rem;
  }

  .nav__link {
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
  }
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(
    160deg,
    var(--color-bg) 0%,
    var(--color-bg-alt) 50%,
    var(--color-bg) 100%
  );
}

.hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero__photo-wrap {
  display: flex;
  justify-content: center;
}

.hero__photo {
  width: min(100%, 22rem);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
  box-shadow: 0 1.5rem 3rem rgba(0, 0, 0, 0.4);
}

.hero__greeting {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.hero__name {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.hero__tagline {
  color: var(--color-text-muted);
  max-width: 32rem;
  margin-bottom: 2rem;
}

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

@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
  }

  .hero__photo-wrap {
    justify-content: flex-start;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition);
}

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

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

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

.btn--secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--secondary:hover {
  background: var(--color-accent-subtle);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

/* ===== Cards ===== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), background var(--transition);
}

.card:hover {
  border-color: rgba(232, 165, 152, 0.3);
}

/* ===== About ===== */
.about__card p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.about__card a {
  font-weight: 500;
}

/* ===== Skills ===== */
.skills__grid {
  display: grid;
  gap: 1.25rem;
}

.skill-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.skill-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-card__list li {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  padding: 0.375rem 0.75rem;
  border-radius: 2rem;
  border: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .skills__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== Experience ===== */
.experience-card__header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.experience-card__role {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
}

.experience-card__company {
  color: var(--color-accent);
  font-weight: 500;
}

.experience-card__date {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  white-space: nowrap;
}

.experience-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.experience-card__list li {
  color: var(--color-text-muted);
  padding-left: 1.25rem;
  position: relative;
}

.experience-card__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .experience-card__header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* ===== Projects ===== */
.projects__grid {
  display: grid;
  gap: 1.25rem;
}

.project-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.project-card__meta {
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.project-card__desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.project-card__tech {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  opacity: 0.8;
  margin-bottom: 0.75rem;
}

.project-card__link {
  font-size: 0.875rem;
  font-weight: 600;
}

@media (min-width: 768px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Certificates ===== */
.certificates__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.certificate-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.certificate-card__year {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  padding: 0.25rem 0.625rem;
  border-radius: 2rem;
}

.certificate-card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* ===== Contact ===== */
.section--contact {
  background: var(--color-bg-alt);
}

.contact__intro {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 32rem;
}

.contact__grid {
  display: grid;
  gap: 1rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  color: inherit;
  text-decoration: none;
}

.contact-card:hover {
  background: var(--color-surface-hover);
  color: inherit;
}

.contact-card__label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
}

.contact-card__value {
  color: var(--color-text);
  font-weight: 500;
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== Footer ===== */
.site-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.site-footer p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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