/* =========================================================
   Sangeeta Parakala — Portfolio
   Single-page, minimal, modern sans
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-feature-settings: 'ss01', 'cv11';
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul { list-style: none; }

/* --- Tokens --- */
:root {
  --bg: #FFFFFF;
  --bg-alt: #F4F4F4;
  --ink: #1C1C1C;
  --ink-muted: #5A5A5A;
  --ink-soft: #A0A0A0;
  --line: #E2E2E2;
  --accent: #D91B82;

  --font-display: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 9rem;
  --space-9: 12rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;

  --maxw: 1280px;
  --maxw-content: 1040px;
  --maxw-text: 780px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.h-display {
  font-size: clamp(2rem, 8vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}

.h-xl {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.h-lg {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.h-md {
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #fff;
  background: var(--accent);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
}

p { margin-bottom: 1em; }

.lead {
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  line-height: 1.5;
  color: var(--ink);
  max-width: 62ch;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.container--content {
  max-width: var(--maxw-content);
}

section {
  padding: var(--space-8) 0;
}

@media (max-width: 720px) {
  section {
    padding: var(--space-6) 0;
  }
}

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  transition: border-color 0.2s ease, background 0.2s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) clamp(1.25rem, 4vw, 2.5rem);
  max-width: var(--maxw);
  margin: 0 auto;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.nav__brand-dot {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-muted);
  position: relative;
  padding: var(--space-1) 0;
}

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

.nav__toggle {
  display: none;
  font-size: 1.5rem;
  padding: 0.25rem 0.5rem;
}

/* --- Hero --- */
.hero {
  padding: clamp(2rem, 6vh, 4rem) 0 clamp(2rem, 6vh, 4rem);
  background: #F4F4F4;
}

.hero__title {
  margin-bottom: var(--space-4);
  max-width: 18ch;
}

.hero__sub {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--ink-muted);
  max-width: 38ch;
  margin-bottom: var(--space-4);
}

.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.hero__scroll::before {
  content: "↓";
  font-size: 1rem;
}

/* --- Section label --- */
.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  margin-bottom: var(--space-3);
}

.section-title {
  margin-bottom: var(--space-4);
  max-width: 22ch;
}

/* --- Work list (company timeline) --- */
.work-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.work-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line);
  transition: padding 0.3s ease;
  position: relative;
}

.work-item:last-child {
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .work-item {
    grid-template-columns: 140px 1fr 120px;
    gap: var(--space-5);
    align-items: center;
  }
}

.work-item__thumb {
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
  overflow: hidden;
  max-width: 200px;
  transition: opacity 0.2s;
}

a.work-item__thumb:hover { opacity: 0.85; }

.work-item__company a {
  color: inherit;
  text-decoration: none;
}

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

.work-item__thumb--slope   { background: #1a1a2e; color: #fff; }
.work-item__thumb--consult { background: #F0F0F0; color: #555; }
.work-item__thumb--omnicell{ background: #ffffff; color: #555; border: 1px solid #E2E2E2; }
.work-item__thumb--uhg     { background: #ffffff; color: #555; border: 1px solid #E2E2E2; flex-direction: column; }
.work-item__thumb--lenovo  { background: #ffffff; color: #555; border: 1px solid #E2E2E2; }
.work-item__thumb--ibm     { background: #F0F0F0; color: #555; }

.work-item__body {
  display: flex;
  flex-direction: column;
}

.work-item__company {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.work-item__role {
  color: var(--ink-muted);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.work-item__desc {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 54ch;
  margin-bottom: 0.75rem;
}

.work-item__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: 0.25rem;
}

.work-item__links a {
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

.work-item__links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.work-item__dates {
  color: var(--ink-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
}

@media (min-width: 760px) {
  .work-item__dates {
    text-align: right;
  }
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1.6fr;
    gap: var(--space-6);
  }
}

.about-photo {
  aspect-ratio: 4 / 5;
  background: #F4F4F4;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink-soft);
  overflow: hidden;
  position: sticky;
  top: 100px;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-statement {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

.about-statement a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

.about-prose {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  max-width: 58ch;
}

.about-prose p {
  margin-bottom: var(--space-3);
}

.about-prose a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* --- Approach --- */
#approach {
  background: #F4F4F4;
  padding: var(--space-7) 0;
}

.approach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

@media (min-width: 780px) {
  .approach-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

.approach-item {
  padding-top: var(--space-2);
  border-top: 1px solid var(--accent);
}

.approach-item h3 {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-2);
  color: var(--accent);
}

.approach-item p {
  color: var(--ink-muted);
  font-size: 0.975rem;
  line-height: 1.6;
}

/* --- Skills (typographic list) --- */
#skills {
  padding: var(--space-7) 0;
}
.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  margin-top: var(--space-3);
  row-gap: 0.2rem;
}

.skills-cloud span {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  transition: color 0.2s ease, transform 0.2s ease;
  cursor: default;
}

.skills-cloud span:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.skills-cloud span:nth-child(even) {
  color: var(--ink-muted);
}

.skills-cloud span.is-strong {
  font-weight: 700;
  color: var(--ink);
}

.skills-cloud span.is-accent {
  color: var(--accent);
}

.skills-cloud span.is-highlight {
  background: var(--accent);
  color: #fff;
  padding: 0.05em 0.25em;
}

/* --- Process --- */
#process {
  padding: var(--space-6) 0 var(--space-4);
}

.process__title {
  margin-bottom: var(--space-2);
}

.process__sub {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--ink-muted);
  max-width: 52ch;
  margin: 0 0 var(--space-4);
  line-height: 1.6;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

@media (max-width: 960px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

.process-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.process-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(20, 20, 19, 0.07);
}

.process-card__num {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.process-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-card__icon--violet {
  background: rgba(217, 27, 130, 0.08);
  color: #D91B82;
}

.process-card__icon--teal {
  background: rgba(217, 27, 130, 0.08);
  color: #D91B82;
}

.process-card__heading {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.process-card p {
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

/* --- Contact --- */
.contact-inner {
  text-align: left;
  max-width: var(--maxw);
}

.contact-statement {
  margin-bottom: var(--space-4);
}

.contact-desc {
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  line-height: 1.5;
  color: var(--ink-muted);
  margin-bottom: var(--space-5);
  max-width: 56ch;
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2rem;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.975rem;
  transition: all 0.2s ease;
}

.contact-cta:hover {
  background: #b81670;
  transform: translateY(-2px);
}

.contact-cta::after {
  content: none;
}

.elsewhere {
  margin-top: var(--space-7);
}

.elsewhere__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  margin-bottom: var(--space-3);
}

.elsewhere__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.elsewhere__links a {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.elsewhere__links a:hover {
  border-bottom-color: currentColor;
  color: var(--accent);
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.825rem;
  font-weight: 500;
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .footer-grid {
    flex-direction: row;
    align-items: center;
  }
}

.footer-copy {
  color: var(--ink-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-4);
}

.footer-links a {
  color: var(--ink-muted);
  font-size: 0.825rem;
  font-weight: 500;
  transition: color 0.15s;
}

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

/* --- Mobile nav --- */
@media (max-width: 720px) {
  .nav__toggle {
    display: block;
  }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) 0;
    display: none;
  }
  .nav__links.is-open {
    display: flex;
  }
  .nav__links a {
    display: block;
    padding: var(--space-2) var(--space-4);
    width: 100%;
  }
}

/* --- Reveal on scroll --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* =========================================================
   Contact Modal
   ========================================================= */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg);
  border-radius: 1.25rem;
  padding: clamp(2rem, 5vw, 3rem);
  width: 100%;
  max-width: 520px;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.25s ease;
}

.modal-backdrop.is-open .modal {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--ink-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  transition: background 0.15s, color 0.15s;
}

.modal__close:hover {
  background: var(--line);
  color: var(--ink);
}

.modal__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.modal__desc {
  font-size: 0.9375rem;
  color: var(--ink-muted);
  margin-bottom: var(--space-4);
}

.modal__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.modal__field label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.modal__field input,
.modal__field textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: 0.625rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.15s;
  resize: none;
}

.modal__field input::placeholder,
.modal__field textarea::placeholder {
  color: var(--ink-muted);
  opacity: 0.5;
}

.modal__field input:focus,
.modal__field textarea:focus {
  border-color: var(--accent);
}

.modal__submit {
  margin-top: var(--space-2);
  padding: 0.875rem 2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 100px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
  align-self: flex-start;
}

.modal__submit:hover { opacity: 0.88; }
.modal__submit:disabled { opacity: 0.5; cursor: not-allowed; }

.modal__status {
  font-size: 0.9rem;
  min-height: 1.25rem;
  color: var(--ink-muted);
}

.modal__status.is-success { color: #1a7f4b; }
.modal__status.is-error   { color: #c0392b; }