/* ================================================================
   OVERDRIVE FTC — STYLESHEET
   ================================================================
   CSS Custom Properties (Design Tokens)
   ----------------------------------------------------------------
   Edit these variables to restyle the entire site at once.
   ================================================================ */

:root {
  /* --- Color Palette --- */
  --color-bg-primary:    #0a0a0f;   /* Deepest background */
  --color-bg-secondary:  #111827;   /* Card / section backgrounds */
  --color-bg-tertiary:   #1a1f2e;   /* Subtle elevated surfaces */
  --color-bg-card:       #12151f;   /* Member / sponsor cards */

  --color-accent-blue:   #00BFFF;   /* Electric blue accent */
  --color-accent-orange: #FF6B00;   /* Orange accent */
  --color-accent-glow:   rgba(0, 191, 255, 0.18); /* Blue glow for effects */

  --color-text-primary:  #f0f4ff;   /* Main body text */
  --color-text-secondary:#9ca3af;   /* Muted / secondary text */
  --color-text-muted:    #4b5563;   /* Very muted text */

  --color-border:        rgba(0, 191, 255, 0.15);
  --color-border-hover:  rgba(0, 191, 255, 0.45);

  /* --- Typography --- */
  --font-display: 'Orbitron', 'Courier New', monospace;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  /* --- Spacing --- */
  --section-padding-y: 7rem;
  --section-padding-x: clamp(1.25rem, 5vw, 4rem);
  --max-width:         1280px;

  /* --- Borders & Radius --- */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1.25rem;
  --radius-xl:   1.875rem;

  /* --- Transitions --- */
  --transition-fast:   150ms ease;
  --transition-base:   300ms ease;
  --transition-slow:   600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Shadows --- */
  --shadow-card:  0 4px 24px rgba(0,0,0,0.4), 0 1px 4px rgba(0,0,0,0.3);
  --shadow-glow:  0 0 24px rgba(0, 191, 255, 0.25);
  --shadow-glow-orange: 0 0 24px rgba(255, 107, 0, 0.25);
}

/* ================================================================
   RESET & BASE
   ================================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ================================================================
   UTILITY CLASSES
   ================================================================ */

.accent {
  color: var(--color-accent-blue);
}

.accent--orange {
  color: var(--color-accent-orange);
}

/* ================================================================
   BUTTONS
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent-blue);
  color: #000;
  border-color: var(--color-accent-blue);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-accent-blue);
  box-shadow: var(--shadow-glow);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: rgba(255,255,255,0.25);
}

.btn--outline:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.btn--full {
  width: 100%;
}

/* ================================================================
   NAVBAR
   ================================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem var(--section-padding-x);
  transition: background var(--transition-base), padding var(--transition-base), box-shadow var(--transition-base);
}

/* .navbar--scrolled is added by JS when user scrolls down */
.navbar--scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  box-shadow: 0 1px 0 var(--color-border), 0 4px 24px rgba(0,0,0,0.5);
}

.navbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.navbar__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--color-text-primary);
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  transition: opacity var(--transition-fast);
}

.navbar__logo:hover {
  opacity: 0.85;
}

.navbar__logo-accent {
  color: var(--color-accent-blue);
}

.navbar__logo-tag {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--color-accent-orange);
  letter-spacing: 0.15em;
  border: 1px solid var(--color-accent-orange);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
  vertical-align: middle;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.navbar__link {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-accent-blue);
  background: var(--color-accent-glow);
}

/* Hamburger (mobile) */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ================================================================
   SECTIONS — SHARED
   ================================================================ */

.section {
  position: relative;
  width: 100%;
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-padding-y) var(--section-padding-x);
}

.section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.section__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.section__subtitle {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

/* ================================================================
   SCROLL REVEAL ANIMATION
   ================================================================
   Elements with .reveal start hidden and fade/slide in when
   they enter the viewport. JS adds .reveal--visible to trigger.
   ================================================================ */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered children */
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ================================================================
   PHOTO SLOTS
   ================================================================
   Clearly labeled placeholder image containers.
   Replace <img> src with real photos when ready.
   ================================================================ */

.photo-slot {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 2px dashed var(--color-border);
  background: var(--color-bg-secondary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.photo-slot:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.photo-slot__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.photo-slot:hover .photo-slot__img {
  transform: scale(1.04);
}

.photo-slot__label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  color: var(--color-accent-blue);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-align: center;
  padding: 0.35rem 0.5rem;
  pointer-events: none;
}

/* Hero photo slot */
.photo-slot--hero {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  border-style: solid;
}

/* About grid photo slots */
.photo-slot--grid {
  aspect-ratio: 4/3;
}

/* Member card photo slots */
.photo-slot--member {
  aspect-ratio: 1/1;
  border-radius: 50%;
  border-style: solid;
  border-color: var(--color-border);
  width: 140px;
  height: 140px;
}

.photo-slot--member .photo-slot__img {
  border-radius: 50%;
}

.photo-slot--member .photo-slot__label {
  border-radius: 0 0 50% 50%;
  font-size: 0.55rem;
}

/* Robot main photo */
.photo-slot--robot-main {
  aspect-ratio: 3/2;
  border-style: solid;
  border-color: var(--color-accent-blue);
}

/* Robot gallery */
.photo-slot--robot-gallery {
  aspect-ratio: 3/2;
}

/* ================================================================
   HERO SECTION
   ================================================================ */

.hero {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,191,255,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(255,107,0,0.05) 0%, transparent 60%),
    var(--color-bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* ----------------------------------------------------------------
   Container Scroll Animation
   Vanilla JS port of the 21st.dev ContainerScroll component.
   The JS reads scroll progress and applies rotateX, scale, and
   translateY transforms to .container-scroll__card and
   .container-scroll__header — matching the React/Framer Motion
   implementation exactly.
   ---------------------------------------------------------------- */

.container-scroll {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem clamp(1rem, 4vw, 5rem);
  position: relative;
}

.container-scroll__perspective {
  perspective: 1000px;
  width: 100%;
  max-width: var(--max-width);
  padding: 2.5rem 0 10rem;
  position: relative;
}

/* Header element — translateY driven by scroll (mirrors <Header> component) */
.container-scroll__header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 0;
  padding-top: 6rem; /* offset for fixed navbar */
  will-change: transform;
  /* JS sets transform: translateY(...) */
}

/* Card element — rotateX + scale driven by scroll (mirrors <Card> component) */
.container-scroll__card {
  max-width: 900px;
  margin: -3rem auto 0;
  border: 4px solid #6C6C6C;
  border-radius: var(--radius-xl);
  background: #222222;
  padding: 0.5rem;
  box-shadow:
    0 0 #0000004d,
    0 9px 20px #0000004a,
    0 37px 37px #00000042,
    0 84px 50px #00000026,
    0 149px 60px #0000000a,
    0 233px 65px #00000003;
  will-change: transform;
  /* JS sets transform: rotateX(...) scale(...) */
  height: clamp(280px, 45vw, 640px);
  overflow: hidden;
}

.container-scroll__card-inner {
  height: 100%;
  width: 100%;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 4px);
  background: #18181b;
}

/* Hero text elements */
.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent-orange);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
  text-shadow: 0 0 80px rgba(0,191,255,0.2);
}

.hero__title-accent {
  color: var(--color-accent-blue);
  text-shadow: 0 0 40px rgba(0,191,255,0.5);
}

.hero__tagline {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.hero__cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
  animation: fadeInUp 1.5s 1.5s both;
}

.hero__scroll-text {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.hero__scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent-blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50%       { transform: scaleY(1.3); opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to   { opacity: 0.5; transform: translateX(-50%) translateY(0); }
}

/* ================================================================
   ABOUT SECTION
   ================================================================ */

.about {
  background:
    linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-primary) 100%);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__text p {
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.025rem;
}

.about__intro {
  font-size: 1.1rem !important;
  color: var(--color-text-primary) !important;
  font-weight: 500;
}

.about__stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.about__stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.about__stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent-blue);
  line-height: 1;
}

.about__stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about__photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

/* ================================================================
   TEAM MEMBERS SECTION
   ================================================================ */

.members {
  background: var(--color-bg-primary);
  position: relative;
}

.members::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(0,191,255,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.members__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* Member card */
.member-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.member-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

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

.member-card__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.member-card__name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.03em;
}

.member-card__role {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  background: var(--color-accent-glow);
  padding: 0.25em 0.75em;
  border-radius: 999px;
  border: 1px solid rgba(0,191,255,0.2);
}

.member-card__bio {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Alternate accent color for every other card */
.member-card:nth-child(even) .member-card__role {
  color: var(--color-accent-orange);
  background: rgba(255,107,0,0.1);
  border-color: rgba(255,107,0,0.2);
}

.member-card:nth-child(even):hover {
  box-shadow: var(--shadow-glow-orange);
  border-color: rgba(255,107,0,0.4);
}

/* ================================================================
   ROBOT SECTION
   ================================================================ */

.robot {
  background:
    linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 60%, var(--color-bg-primary) 100%);
}

.robot__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.robot__name {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  color: var(--color-accent-blue);
  margin-bottom: 0.25rem;
}

.robot__season-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-orange);
  margin-bottom: 1.5rem;
}

.robot__description p {
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.025rem;
}

.robot__specs {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.robot__specs-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: 1rem;
}

.robot__specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.robot__specs-table tr {
  border-bottom: 1px solid var(--color-border);
}

.robot__specs-table tr:last-child {
  border-bottom: none;
}

.robot__specs-table td {
  padding: 0.6rem 0.5rem;
  color: var(--color-text-secondary);
  vertical-align: top;
}

.spec-label {
  font-weight: 600;
  color: var(--color-text-primary);
  width: 45%;
  white-space: nowrap;
}

.robot__gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

/* ================================================================
   SPONSORS SECTION
   ================================================================ */

.sponsors {
  background: var(--color-bg-primary);
  position: relative;
}

.sponsors::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 50%, rgba(255,107,0,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.sponsors__tier {
  margin-bottom: 3.5rem;
}

.sponsors__tier-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.sponsors__tier-label::before,
.sponsors__tier-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30%;
  height: 1px;
  background: var(--color-border);
}

.sponsors__tier-label::before { right: calc(50% + 8rem); }
.sponsors__tier-label::after  { left:  calc(50% + 8rem); }

.sponsors__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

/* Sponsor slot */
.sponsor-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.sponsor-slot:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.sponsor-slot__img {
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.sponsor-slot--platinum .sponsor-slot__img { width: 280px; height: 140px; }
.sponsor-slot--gold    .sponsor-slot__img  { width: 220px; height: 110px; }
.sponsor-slot--silver  .sponsor-slot__img  { width: 160px; height: 80px; }

.sponsor-slot__name {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ================================================================
   CONTACT SECTION
   ================================================================ */

.contact {
  background:
    linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.contact__layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-input {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(0,191,255,0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.5;
}

/* Contact info */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact__info-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: 1rem;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.contact__details li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.contact__detail-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.contact__link {
  color: var(--color-accent-blue);
  transition: opacity var(--transition-fast);
}

.contact__link:hover {
  opacity: 0.75;
}

/* Social links */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-base);
}

.social-link:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
  transform: translateX(4px);
}

.social-link__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.social-link--instagram:hover { border-color: #E1306C; color: #E1306C; }
.social-link--facebook:hover  { border-color: #1877F2; color: #1877F2; }
.social-link--youtube:hover   { border-color: #FF0000; color: #FF0000; }
.social-link--github:hover    { border-color: #f0f6fc; color: #f0f6fc; }

/* ================================================================
   FOOTER
   ================================================================ */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem var(--section-padding-x);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.footer__logo-accent {
  color: var(--color-accent-blue);
}

.footer__team-num {
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__nav-link {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__nav-link:hover {
  color: var(--color-accent-blue);
}

/* ================================================================
   DECORATIVE GRID LINES (background texture)
   ================================================================ */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,191,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,191,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.section, .navbar, .footer {
  position: relative;
  z-index: 1;
}

/* ================================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ================================================================ */

@media (max-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .robot__layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .robot__gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* ================================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ================================================================ */

@media (max-width: 768px) {
  :root {
    --section-padding-y: 5rem;
  }

  /* Navbar mobile */
  .navbar__hamburger {
    display: flex;
  }

  .navbar__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--color-border);
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__link {
    width: 100%;
    padding: 0.75rem 1rem;
    text-align: center;
  }

  /* Hamburger open state */
  .navbar__hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .navbar__hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .navbar__hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Hero */
  .container-scroll {
    padding: 1rem;
  }

  .container-scroll__card {
    height: clamp(200px, 55vw, 380px);
    margin-top: -1.5rem;
  }

  .hero__cta-group {
    flex-direction: column;
    align-items: center;
  }

  /* About */
  .about__photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Members */
  .members__grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  /* Robot */
  .robot__gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Sponsors */
  .sponsors__tier-label::before,
  .sponsors__tier-label::after {
    display: none;
  }

  /* Footer */
  .footer__brand {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .about__photo-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

/* ================================================================
   HERO VIDEO
   ================================================================ */

.hero-video-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;        /* acoperă tot spațiul, ca o poză de fundal */
  display: block;
  border-radius: var(--radius-xl);
}

/* Overlay semi-transparent albastru deasupra videoclipului — opțional */
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 191, 255, 0.08) 0%,
    rgba(0, 0, 0, 0.18) 100%
  );
  border-radius: var(--radius-xl);
  pointer-events: none;
}