/* rinji.org - Glitch-Tech Broken Grid Design */
/* Colors: #1a1a2e (deep base), #4a90d9 (primary blue), #f5f0e8 (warm off-white), #e8b84b (accent gold), #6c757d (muted gray) */
/* Font: Inter (Swiss-clean sans) */

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

:root {
  --color-base: #1a1a2e;
  --color-blue: #4a90d9;
  --color-offwhite: #f5f0e8;
  --color-gold: #e8b84b;
  --color-gray: #6c757d;
  --font-main: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-base);
  color: var(--color-offwhite);
  overflow-x: hidden;
  position: relative;
}

/* ===== PARALLAX GEOMETRIC BACKGROUND ===== */
.parallax-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.parallax-layer--back {
  z-index: 0;
}

.parallax-layer--mid {
  z-index: 1;
}

.geo-shape {
  position: absolute;
  opacity: 0.08;
}

.geo-triangle {
  width: 0;
  height: 0;
}

.geo-triangle--1 {
  border-left: 120px solid transparent;
  border-right: 120px solid transparent;
  border-bottom: 200px solid var(--color-blue);
  top: 10%;
  left: 5%;
  transform: rotate(15deg);
}

.geo-triangle--2 {
  border-left: 80px solid transparent;
  border-right: 80px solid transparent;
  border-bottom: 140px solid var(--color-gold);
  top: 60%;
  right: 10%;
  transform: rotate(-25deg);
}

.geo-triangle--3 {
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 100px solid var(--color-offwhite);
  top: 40%;
  left: 50%;
  transform: rotate(45deg);
}

.geo-rect {
  background: var(--color-blue);
}

.geo-rect--1 {
  width: 200px;
  height: 60px;
  top: 30%;
  right: 15%;
  transform: rotate(-12deg);
  background: var(--color-gold);
}

.geo-rect--2 {
  width: 150px;
  height: 40px;
  top: 70%;
  left: 20%;
  transform: rotate(8deg);
  background: var(--color-blue);
}

.geo-rect--3 {
  width: 100px;
  height: 100px;
  top: 15%;
  right: 30%;
  transform: rotate(30deg);
  background: var(--color-offwhite);
  opacity: 0.04;
}

.geo-circle {
  border-radius: 50%;
}

.geo-circle--1 {
  width: 180px;
  height: 180px;
  background: var(--color-blue);
  top: 80%;
  left: 60%;
  opacity: 0.06;
}

.geo-circle--2 {
  width: 100px;
  height: 100px;
  background: var(--color-gold);
  top: 25%;
  left: 70%;
  opacity: 0.07;
}

/* ===== CIRCUIT BACKGROUND ===== */
.circuit-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.06;
}

.circuit-line {
  stroke: var(--color-blue);
  stroke-width: 1;
  fill: none;
}

.circuit-node {
  fill: var(--color-gold);
}

/* ===== GLITCH TEXT EFFECT ===== */
.glitch-text {
  position: relative;
  display: inline-block;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.glitch-text::before {
  color: var(--color-blue);
  z-index: -1;
  animation: glitchBefore 4s infinite linear;
}

.glitch-text::after {
  color: var(--color-gold);
  z-index: -1;
  animation: glitchAfter 4s infinite linear;
}

@keyframes glitchBefore {
  0%, 92%, 100% { opacity: 0; transform: translate(0); }
  93% { opacity: 0.8; transform: translate(-3px, 1px); clip-path: inset(20% 0 40% 0); }
  94% { opacity: 0; }
  96% { opacity: 0.6; transform: translate(2px, -1px); clip-path: inset(60% 0 10% 0); }
  97% { opacity: 0; }
}

@keyframes glitchAfter {
  0%, 90%, 100% { opacity: 0; transform: translate(0); }
  91% { opacity: 0.7; transform: translate(3px, -2px); clip-path: inset(50% 0 20% 0); }
  92% { opacity: 0; }
  95% { opacity: 0.5; transform: translate(-2px, 2px); clip-path: inset(10% 0 70% 0); }
  96% { opacity: 0; }
}

/* ===== GLITCH IMAGE ===== */
.glitch-image {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.glitch-image__slice {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch-image__slice--1 {
  background: linear-gradient(135deg, var(--color-blue) 0%, transparent 50%);
  clip-path: inset(0 0 66% 0);
  animation: sliceGlitch1 6s infinite;
}

.glitch-image__slice--2 {
  background: linear-gradient(225deg, var(--color-gold) 0%, transparent 50%);
  clip-path: inset(33% 0 33% 0);
  animation: sliceGlitch2 6s infinite;
}

.glitch-image__slice--3 {
  background: linear-gradient(45deg, var(--color-offwhite) 0%, transparent 60%);
  clip-path: inset(66% 0 0 0);
  opacity: 0.3;
  animation: sliceGlitch3 6s infinite;
}

@keyframes sliceGlitch1 {
  0%, 85%, 100% { transform: translate(0); }
  87% { transform: translate(8px, 0); }
  89% { transform: translate(-4px, 0); }
  91% { transform: translate(0); }
}

@keyframes sliceGlitch2 {
  0%, 88%, 100% { transform: translate(0); }
  90% { transform: translate(-6px, 0); }
  92% { transform: translate(3px, 0); }
  94% { transform: translate(0); }
}

@keyframes sliceGlitch3 {
  0%, 82%, 100% { transform: translate(0); }
  84% { transform: translate(5px, 0); }
  86% { transform: translate(-7px, 0); }
  88% { transform: translate(0); }
}

/* ===== SECTION LABELS ===== */
.section-label {
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-gray);
  text-transform: uppercase;
}

.text-accent {
  color: var(--color-gold);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero__title-block {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  align-self: end;
  transform: translateX(-20px);
}

.hero__title {
  font-size: clamp(5rem, 15vw, 12rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--color-offwhite);
}

.hero__subtitle-block {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  align-self: start;
  transform: translate(-40px, -20px);
}

.hero__subtitle {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  color: var(--color-blue);
  letter-spacing: 0.1em;
}

.hero__tagline-block {
  grid-column: 1 / -1;
  grid-row: 3 / 4;
  margin-top: 2rem;
  transform: translateX(60px);
}

.hero__tagline {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray);
}

.hero__accent-bar {
  grid-column: 1 / -1;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-blue) 40%, transparent 100%);
  margin-top: 1.5rem;
  transform: scaleX(0);
  transform-origin: left;
  animation: barReveal 1.2s ease-out 0.5s forwards;
}

@keyframes barReveal {
  to { transform: scaleX(1); }
}

.hero__scroll-cue {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero__scroll-text {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: var(--color-gray);
  font-weight: 600;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-gray);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== ABOUT SECTION ===== */
.about {
  position: relative;
  z-index: 2;
  padding: 8rem 2rem;
  min-height: 80vh;
}

.about__grid {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.about__label {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  align-self: start;
}

.about__heading-block {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  transform: translateY(-20px);
}

.about__heading {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about__content-block {
  grid-column: 2 / 4;
  grid-row: 2 / 3;
  max-width: 600px;
  transform: translateX(40px);
}

.about__text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-gray);
  font-weight: 300;
}

.about__visual-block {
  grid-column: 3 / 4;
  grid-row: 1 / 2;
  width: 200px;
  height: 200px;
  justify-self: end;
  transform: translate(30px, -30px) rotate(5deg);
  border: 1px solid rgba(74, 144, 217, 0.3);
}

/* ===== FEATURES SECTION ===== */
.features {
  position: relative;
  z-index: 2;
  padding: 6rem 2rem;
  min-height: 80vh;
}

.features__grid {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.features__label {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.features__heading-block {
  grid-column: 2 / -1;
  grid-row: 1 / 2;
  margin-bottom: 2rem;
}

.features__heading {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.features__card {
  grid-row: 2 / 3;
  padding: 2.5rem 2rem;
  border: 1px solid rgba(245, 240, 232, 0.08);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, transform 0.4s ease;
}

.features__card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.features__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.features__card:hover::before {
  transform: scaleX(1);
}

.features__card--1 {
  grid-column: 2 / 3;
  transform: translateY(20px);
}

.features__card--2 {
  grid-column: 3 / 4;
  transform: translateY(-10px);
}

.features__card--3 {
  grid-column: 4 / 5;
  transform: translateY(30px);
}

.features__card-number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(74, 144, 217, 0.15);
  line-height: 1;
  margin-bottom: 1rem;
}

.features__card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-offwhite);
}

.features__card-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-gray);
  font-weight: 300;
}

/* ===== PROJECTS SECTION ===== */
.projects {
  position: relative;
  z-index: 2;
  padding: 8rem 2rem;
  min-height: 80vh;
}

.projects__grid {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.projects__label {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.projects__heading-block {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  margin-bottom: 1rem;
}

.projects__heading {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.projects__item {
  grid-column: 2 / 3;
  position: relative;
}

.projects__item--1 {
  transform: translateX(0);
}

.projects__item--2 {
  transform: translateX(60px);
}

.projects__item--3 {
  transform: translateX(120px);
}

.projects__item-inner {
  padding: 2.5rem;
  border-left: 2px solid rgba(245, 240, 232, 0.1);
  transition: border-color 0.4s ease;
  position: relative;
}

.projects__item-inner:hover {
  border-left-color: var(--color-gold);
}

.projects__item-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--color-blue);
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-blue);
  margin-bottom: 1rem;
}

.projects__item-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-offwhite);
}

.projects__item-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-gray);
  font-weight: 300;
  max-width: 500px;
}

.projects__item-bar {
  width: 60px;
  height: 2px;
  background: var(--color-gold);
  margin-top: 1.5rem;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s ease;
}

.projects__item-inner:hover .projects__item-bar {
  transform: scaleX(1);
}

/* ===== CONTACT SECTION ===== */
.contact {
  position: relative;
  z-index: 2;
  padding: 8rem 2rem;
  min-height: 60vh;
}

.contact__grid {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact__label {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.contact__heading-block {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.contact__heading {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-offwhite);
}

.contact__info-block {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

.contact__text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-gray);
  font-weight: 300;
  margin-bottom: 2rem;
}

.contact__link {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-blue);
  text-decoration: none;
  position: relative;
  display: inline-block;
  transition: color 0.3s ease;
}

.contact__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.contact__link:hover {
  color: var(--color-gold);
}

.contact__link:hover::after {
  transform: scaleX(1);
}

.contact__visual-block {
  grid-column: 3 / 4;
  grid-row: 1 / 3;
  position: relative;
}

.contact__node-pattern {
  width: 100%;
  height: 300px;
  position: relative;
}

/* ===== FOOTER ===== */
.footer {
  position: relative;
  z-index: 2;
  padding: 3rem 2rem;
  border-top: 1px solid rgba(245, 240, 232, 0.06);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__brand {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-offwhite);
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--color-gray);
  letter-spacing: 0.1em;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__title-block {
    transform: none;
  }
  .hero__subtitle-block {
    transform: none;
  }
  .hero__tagline-block {
    transform: none;
  }
  .about__grid {
    grid-template-columns: 1fr;
  }
  .about__label {
    writing-mode: horizontal-tb;
  }
  .about__content-block {
    transform: none;
  }
  .about__visual-block {
    transform: none;
    justify-self: start;
  }
  .features__grid {
    grid-template-columns: 1fr;
  }
  .features__label {
    writing-mode: horizontal-tb;
  }
  .features__card--1,
  .features__card--2,
  .features__card--3 {
    grid-column: 1 / -1;
    transform: none;
  }
  .projects__grid {
    grid-template-columns: 1fr;
  }
  .projects__label {
    writing-mode: horizontal-tb;
  }
  .projects__item--1,
  .projects__item--2,
  .projects__item--3 {
    grid-column: 1 / -1;
    transform: none;
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .contact__label {
    writing-mode: horizontal-tb;
  }
  .contact__visual-block {
    grid-column: 1 / -1;
  }
  .footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}