/* =================================================================
   DAANVEER MEHRA PORTFOLIO — STYLES v3
   Design: RRE Ventures-inspired editorial luxury
   ================================================================= */

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

:root {
  /* Colours */
  --c-black:      #050505;
  --c-dark:       #080808;
  --c-text:       #ffffff;
  --c-text-mid:   rgba(255,255,255,0.9);
  --c-text-dim:   rgba(255,255,255,0.7);
  --c-border:     rgba(255,255,255,0.15);

  /* RRE light section — cool blue-grey (matches screenshots exactly) */
  --c-light:      #becdd6;
  --c-light-dark: #afc0ca;
  --c-dark-text:  #141c22;
  --c-dark-mid:   #556270;
  --c-dark-dim:   #8a9aa5;
  --c-light-border: rgba(20,28,34,0.12);

  /* Type */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Scale */
  --hero-size:  clamp(4.5rem, 11vw, 10rem);
  --h2-size:    clamp(2rem, 4vw, 3.5rem);
  --h3-size:    clamp(1.4rem, 2vw, 1.75rem);
  --body-size:  1.0625rem;
  --sm-size:    0.8125rem;
  --xs-size:    0.6875rem;

  /* Spacing */
  --gut: clamp(1.5rem, 4.5vw, 5.5rem);
  --sec: clamp(5rem, 10vw, 10rem);
  --gap: clamp(2rem, 4vw, 5rem);

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --fast: 220ms;
  --mid:  380ms;
  --slow: 600ms;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--c-black);
  color: var(--c-text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* --- Global Background ------------------------------------------- */
.global-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.global-bg__canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  display: block;
}
.global-bg__grain {
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

/* --- Section Card Wrapper ---------------------------------------- */
.about, .engarea, .projects, .feature, .quote, .approach, .contact {
  width: 90%;
  max-width: 1600px;
  margin-bottom: 4rem;
  border-radius: 0;
  box-shadow: none;
  position: relative;
  z-index: 1;
}

/* Alternate positioning to touch left or right borders */
.about, .projects, .quote, .contact {
  margin-left: auto;
  margin-right: 0;
}
.engarea, .feature, .approach {
  margin-left: 0;
  margin-right: auto;
}

/* --- Shared utilities -------------------------------------------- */
.section-label {
  display: block;
  font-size: var(--xs-size);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-bottom: 1.25rem;
}

.section-label--dark { color: var(--c-dark-dim); }

.bracket { color: var(--c-text-dim); }

.bracket-link {
  display: inline-flex;
  align-items: center;
  gap: 0.2em;
  font-size: var(--sm-size);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--c-dark-mid);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}
.bracket-link:hover { color: var(--c-dark-text); }
.bracket-link:hover .bracket { color: var(--c-dark-mid); }

/* RRE corner brackets */
.corner {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}
.corner--tl {
  top: 2rem; left: 2rem;
  border-top:  1px solid rgba(255,255,255,0.22);
  border-left: 1px solid rgba(255,255,255,0.22);
}
.corner--br {
  bottom: 2rem; right: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.22);
  border-right:  1px solid rgba(255,255,255,0.22);
}

/* --- NAV --------------------------------------------------------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  padding: 2rem var(--gut);
  transition: background var(--mid) var(--ease), padding var(--mid) var(--ease);
}

.nav.scrolled {
  background: rgba(5,5,5,0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1600px;
  margin: 0 auto;
}

.nav__logo { text-decoration: none; }

.nav__logo-mark {
  font-size: var(--sm-size);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-text);
  border-bottom: 1px solid rgba(255,255,255,0.22);
  padding-bottom: 1px;
  transition: border-color var(--fast) var(--ease);
}
.nav__logo:hover .nav__logo-mark { border-color: var(--c-text); }

.nav__links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.nav__link {
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(242,240,236,0.45);
  text-decoration: none;
  position: relative;
  transition: color var(--fast) var(--ease);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--c-text);
  transition: width var(--mid) var(--ease);
}
.nav__link:hover { color: var(--c-text); }
.nav__link:hover::after { width: 100%; }

/* --- HERO -------------------------------------------------------- */
.hero {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 680px;
  display: flex;
  align-items: flex-end;
}

/* RRE layout: content at bottom, split left / right */
.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--gut) clamp(6rem, 14vh, 12rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: flex-end;
}

.hero__heading {
  font-size: var(--hero-size);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 0.9;
  color: var(--c-text);
  display: flex;
  flex-direction: column;
}

.hero__name-line {
  display: block;
  overflow: hidden;
}
.hero__name-line span {
  display: block;
  transform: translateY(105%);
  opacity: 0;
  animation: slideUp var(--slow) var(--ease) forwards;
}
.hero__name-line:nth-child(1) span { animation-delay: 0.05s; }
.hero__name-line:nth-child(2) span { animation-delay: 0.18s; }

.hero__right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-bottom: 0.25em;
  opacity: 0;
  animation: fadeUp var(--slow) var(--ease) 0.4s forwards;
}

.hero__desc {
  font-size: var(--body-size);
  font-weight: 300;
  color: var(--c-text-mid);
  line-height: 1.7;
  max-width: 48ch;
}

.hero__desc--secondary {
  font-size: var(--sm-size);
  color: var(--c-text-dim);
}

.hero__cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.2em;
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mid);
  text-decoration: none;
  margin-top: 0.5rem;
  transition: color var(--fast) var(--ease);
}
.hero__cta:hover { color: var(--c-text); }
.hero__cta:hover .bracket { color: rgba(242,240,236,0.5); }

/* Vertical role label */
.hero__meta {
  position: absolute;
  right: var(--gut);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}
.hero__role {
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

/* Scroll line */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.28));
  animation: scrollPulse 2.6s ease-in-out infinite;
}

/* --- ABOUT ------------------------------------------------------- */
/* RRE cool blue-grey section */
.about {
  background: var(--c-light);
  padding: var(--sec) var(--gut);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: flex-start;
}

.about__heading {
  font-size: var(--h2-size);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--c-dark-text);
  margin-bottom: 1.75rem;
}

.about__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.about__body p {
  font-size: var(--body-size);
  font-weight: 300;
  color: var(--c-dark-mid);
  line-height: 1.72;
  max-width: 54ch;
}

/* Stats column — like RRE's $2.5B+ numbers */
.about__stats {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--c-light-border);
}

.about__stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--c-light-border);
}

.about__stat-num {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--c-dark-text);
}

.about__stat-label {
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--c-dark-mid);
}

/* --- ENGINEERING AREAS — RRE split section ----------------------- */
.engarea {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 65vh;
}

/* Left half: transparent to show global bg */
.engarea__left {
  position: relative;
  background: rgba(5,5,5,0.05);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.engarea__left-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,5,5,0.55) 0%, rgba(5,5,5,0.25) 100%);
}
.engarea__left-content {
  position: relative;
  z-index: 2;
  padding: var(--sec) var(--gut);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.engarea__heading {
  font-size: var(--h2-size);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.0;
  color: var(--c-text);
  margin-bottom: 1.5rem;
}
.engarea__sub {
  font-size: var(--body-size);
  font-weight: 300;
  color: var(--c-text-mid);
  line-height: 1.65;
  max-width: 40ch;
}

/* Right half: dark bg, 2×5 grid like RRE investment areas */
.engarea__right {
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: stretch;
}
.engarea__grid {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-left: 1px solid var(--c-border);
}
.engarea__cell {
  padding: 1.6rem 2rem;
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-mid);
  border-bottom: 1px solid var(--c-border);
  border-right: 1px solid var(--c-border);
  transition: color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.engarea__cell:hover {
  color: var(--c-text);
  background: rgba(255,255,255,0.03);
}

/* --- PROJECTS ---------------------------------------------------- */
.projects {
  background: rgba(5,5,5,0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.06);
  padding: var(--sec) var(--gut);
}

.projects__inner {
}

.projects__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: flex-end;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--c-border);
}

.projects__header-left .section-label {
  color: var(--c-text-dim);
}

.projects__heading {
  font-size: var(--h2-size);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.0;
  color: var(--c-text);
  margin-top: 0.75rem;
}

.projects__sub {
  font-size: var(--body-size);
  font-weight: 300;
  color: var(--c-text-mid);
  line-height: 1.65;
  align-self: flex-end;
}

.projects__list { display: flex; flex-direction: column; }

.project__card {
  display: grid;
  grid-template-columns: 3rem 3fr 8fr 4rem;
  gap: 2rem;
  align-items: flex-start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--c-border);
  text-decoration: none;
  cursor: default;
  transition: background var(--fast) var(--ease);
}
.project__card:hover { background: rgba(255,255,255,0.018); }

.project__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.15em;
}

.project__index {
  font-size: var(--xs-size);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
}

.project__tag {
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mid);
}

.project__title {
  font-size: var(--h3-size);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--c-text);
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.project__desc {
  font-size: var(--sm-size);
  font-weight: 300;
  color: var(--c-text-mid);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.project__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--c-text-mid);
  text-decoration: none;
  transition: color var(--fast) var(--ease), gap var(--fast) var(--ease);
}
.project__link:hover { color: var(--c-text); gap: 0.65em; }

.project__year {
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
  text-align: right;
  padding-top: 0.15em;
}

/* --- EOLUS FEATURE ----------------------------------------------- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 75vh;
}

.feature__visual {
  position: relative;
  background: rgba(5,5,5,0.05);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.feature__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,5,5,0.3) 0%, rgba(5,5,5,0.15) 100%);
}

.feature__content {
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--sec) var(--gut);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
  border-left: 1px solid var(--c-border);
}

.feature__heading {
  font-size: var(--h2-size);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.0;
  color: var(--c-text);
}

.feature__body {
  font-size: var(--body-size);
  font-weight: 300;
  color: var(--c-text-mid);
  line-height: 1.72;
  max-width: 50ch;
}

.feature__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.feature__tag {
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mid);
  border: 1px solid var(--c-border);
  padding: 0.3em 0.75em;
}

/* --- QUOTE (transparent floating card) ------------------------- */
.quote {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: rgba(5,5,5,0.05);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border: 1px solid rgba(255,255,255,0.06);
}
.quote__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right, rgba(5,5,5,0.50) 0%, transparent 55%),
    radial-gradient(ellipse 90% 90% at 50% 50%, transparent 30%, rgba(5,5,5,0.30) 100%);
}
.quote__corner-tl { top: 3rem; left: var(--gut); }
.quote__corner-br { bottom: 3rem; right: var(--gut); }

/* RRE layout: quote sits in right portion */
.quote__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--sec) var(--gut);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: flex-end;
}

.quote__text {
  grid-column: 2;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  font-weight: 400;
  font-style: normal;
  letter-spacing: -0.015em;
  line-height: 1.4;
  color: var(--c-text);
}

.quote__cite {
  grid-column: 2;
  font-style: normal;
  font-size: var(--sm-size);
  color: rgba(242,240,236,0.35);
  line-height: 1.5;
  margin-top: 1.5rem;
}
.quote__cite-role { color: var(--c-text-dim); }

/* --- APPROACH (cool blue-grey like RRE "Our difference?") -------- */
.approach {
  background: var(--c-light);
  padding: var(--sec) var(--gut);
}

.approach__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: flex-start;
}

.approach__heading {
  font-size: var(--h2-size);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--c-dark-text);
  margin: 0.75rem 0 1.5rem;
}
.approach__sub {
  font-size: var(--body-size);
  font-weight: 300;
  color: var(--c-dark-mid);
  line-height: 1.65;
}

.approach__items {
  border-top: 1px solid var(--c-light-border);
}

.approach__item {
  border-bottom: 1px solid var(--c-light-border);
}

.approach__toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 1rem;
}

.approach__item-title {
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--c-dark-text);
  transition: opacity var(--fast) var(--ease);
}
.approach__toggle:hover .approach__item-title { opacity: 0.65; }

.approach__icon {
  flex-shrink: 0;
  color: var(--c-dark-mid);
  transition: transform var(--mid) var(--ease), color var(--fast) var(--ease);
}
.approach__toggle[aria-expanded="true"] .approach__icon {
  transform: rotate(45deg);
  color: var(--c-dark-text);
}

.approach__item-body {
  padding-bottom: 1.75rem;
}
.approach__item-body p {
  font-size: var(--sm-size);
  font-weight: 300;
  color: var(--c-dark-mid);
  line-height: 1.7;
  max-width: 52ch;
}

/* --- CONTACT / FOOTER (RRE Cutout Style) ------------------------- */
.contact {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
  border: none;
  min-height: 80vh;
  z-index: auto !important; /* CRITICAL: removes stacking context so multiply blends with canvas */
}

/* Layer 1: The multiply cutout */
.contact__mask {
  position: absolute;
  inset: 0;
  background: #030303;
  color: #ffffff;
  mix-blend-mode: multiply;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: clamp(10rem, 45vw, 50rem);
  font-weight: 900;
  transform: scaleX(1.05); /* Wider logo feel */
  line-height: 0.8;
  letter-spacing: -0.06em;
  padding-right: 4rem;
  overflow: hidden;
  user-select: none;
  z-index: 1;
}

/* Layer 2: The content */
.contact__inner {
  position: relative;
  z-index: 2;
  height: 100%;
  padding: 8rem var(--gut);
  display: flex;
  align-items: center;
  pointer-events: none;
}

.contact__left {
  display: flex;
  flex-direction: column;
  gap: 5rem;
  pointer-events: auto;
}

.contact__nav-large {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact__nav-large a {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 400;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: opacity 0.2s ease;
}
.contact__nav-large a:hover { opacity: 0.7; }

.contact__nav-small {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact__nav-small a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #ffffff;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.contact__nav-small a:hover { opacity: 0.7; }

.contact__subscribe {
  border: 1px solid rgba(255,255,255,0.2);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 3rem;
  margin-top: 1rem;
  width: max-content;
  max-width: 100%;
}
.subscribe-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #ffffff;
}
.subscribe-input {
  font-size: 1rem;
  color: #888888;
  text-decoration: none;
}
.subscribe-btn {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #ffffff;
  cursor: pointer;
}

/* --- FOOTER ------------------------------------------------------ */
.footer {
  background: rgba(5,5,5,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.5rem var(--gut);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer__inner {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__name {
  font-size: var(--xs-size);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-text-mid);
}
.footer__links {
  display: flex;
  gap: 1.5rem;
}
.footer__link {
  font-size: var(--xs-size);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}
.footer__link:hover { color: var(--c-text-mid); }
.footer__copy {
  font-size: var(--xs-size);
  color: var(--c-text-dim);
  letter-spacing: 0.02em;
}

/* --- Scroll reveals ---------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Keyframes --------------------------------------------------- */
@keyframes slideUp {
  to { transform: translateY(0); opacity: 1; }
}
@keyframes fadeUp {
  to { opacity: 1; }
}
@keyframes scrollPulse {
  0%,100% { opacity: 0.15; }
  50%      { opacity: 0.55; }
}

/* --- Responsive -------------------------------------------------- */
@media (max-width: 1100px) {
  .hero__inner   { grid-template-columns: 1fr; }
  .hero__right   { max-width: 60ch; }
  .hero__meta    { display: none; }
  .about__inner  { grid-template-columns: 1fr; }
  .engarea       { grid-template-columns: 1fr; }
  .engarea__left { min-height: 50vw; }
  .feature       { grid-template-columns: 1fr; }
  .feature__visual { min-height: 45vw; }
  .quote__inner  { grid-template-columns: 1fr; }
  .quote__text,
  .quote__cite   { grid-column: 1; }
  .approach__inner { grid-template-columns: 1fr; }
  .projects__header { grid-template-columns: 1fr; }
  .project__card {
    grid-template-columns: 2.5rem 1fr;
    grid-template-rows: auto auto auto;
  }
  .project__year { display: none; }
}

@media (max-width: 720px) {
  .about, .engarea, .projects, .feature, .quote, .approach, .contact {
    width: calc(100% - 1.5rem);
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
  }

  :root {
    --hero-size: clamp(3.5rem, 14vw, 6rem);
    --h2-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  .nav__links { gap: 1.5rem; }
  .nav__link  { font-size: 0.62rem; }
  .engarea__grid { grid-template-columns: 1fr; }
  .contact__links { flex-wrap: wrap; }
  .footer__inner { flex-direction: column; gap: 0.75rem; text-align: center; }
  .footer__links { gap: 1rem; }
}