/* ═══════════════════════════════════════════════════════
   SevenTrain Ventures — Mobile-First Responsive Overhaul
   Breakpoints:
     Mobile:        max-width 480px
     Tablet:        max-width 768px
     Small Desktop: max-width 1024px
     Large:         min-width 1025px
   ═══════════════════════════════════════════════════════ */

/* ── Touch & Global Defaults ────────────────────────── */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

html {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* Minimum tap target size for all interactive elements */
a,
button,
input,
textarea,
select,
[role="button"] {
  min-height: 44px;
  touch-action: manipulation;
}

/* Active states for touch feedback */
.btn:active {
  transform: scale(0.97);
  transition: transform 0.1s ease;
}

.nav__link:active,
.mobile-menu__link:active {
  opacity: 0.7;
}

/* ── Performance: Disable cursor glow on touch devices ── */
@media (max-width: 768px) {
  .cursor-glow {
    display: none !important;
  }
}

/* ── Performance: Reduce particle animation complexity ── */
@media (max-width: 768px) {
  .reduce-motion .quantum-banner__particles,
  .reduce-motion .quantum-hero__particles {
    animation: none;
    opacity: 0;
  }

  /* Disable heavy particle backgrounds on mobile */
  .quantum-banner__particles {
    opacity: 0.4;
    animation-duration: 40s;
  }

  .quantum-hero__particles {
    opacity: 0.3;
    animation-duration: 50s;
  }
}

/* Prefer-reduced-motion media query */
@media (prefers-reduced-motion: reduce) {
  .quantum-banner__particles,
  .quantum-hero__particles,
  .hero__scroll-line,
  .quantum-banner__label-dot,
  .marquee__track {
    animation: none !important;
  }
}

/* ══════════════════════════════════════════════════════
   SMALL DESKTOP (max-width: 1024px)
   ══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {

  /* Navigation */
  .nav__inner {
    padding: 0 2rem;
  }

  /* Philosophy */
  .philosophy__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Contact */
  .contact__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  /* Quantum sections */
  .quantum-section__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .quantum-section__inner--reverse {
    direction: ltr;
  }

  /* Focus grid */
  .focus-grid__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

/* ══════════════════════════════════════════════════════
   TABLET (max-width: 768px)
   ══════════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Navigation ─────────────────────────────────── */
  .nav__links {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  .nav__inner {
    padding: 0 1.25rem;
  }

  /* Slightly smaller logo on mobile */
  .nav__logo {
    font-size: 0.9rem;
  }

  .nav__logo-mark {
    width: 28px;
    height: 28px;
    font-size: 1rem;
  }

  /* ── Mobile Menu Overlay ─────────────────────────── */
  .mobile-menu {
    background: rgba(6, 9, 17, 0.98);
    /* Subtle gradient sweep */
    background-image:
      linear-gradient(135deg, rgba(74, 108, 247, 0.06) 0%, transparent 60%),
      linear-gradient(225deg, rgba(74, 108, 247, 0.04) 0%, transparent 50%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 200;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .mobile-menu.active {
    opacity: 1;
    pointer-events: all;
  }

  .mobile-menu__inner {
    width: 100%;
    max-width: 400px;
    padding: 2rem 2.5rem;
    gap: 0;
    text-align: left;
    position: relative;
  }

  /* Subtle vertical separator on left */
  .mobile-menu__inner::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 2rem;
    bottom: 2rem;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--accent), transparent);
    opacity: 0.3;
  }

  .mobile-menu__link {
    font-family: var(--font-display);
    font-size: clamp(2rem, 9vw, 3rem);
    color: var(--text-secondary);
    padding: 0.6rem 0;
    display: block;
    border-bottom: 1px solid transparent;
    transition: color 0.3s, transform 0.3s;
    /* Initial state for stagger animation */
    opacity: 0;
    transform: translateX(30px);
    line-height: 1.2;
  }

  .mobile-menu__link:hover,
  .mobile-menu__link:active {
    color: var(--text-primary);
    transform: translateX(6px) !important;
  }

  /* Stagger animation when menu opens */
  .mobile-menu.active .mobile-menu__link {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out), color 0.3s;
  }

  .mobile-menu.active .mobile-menu__link:nth-child(1) { transition-delay: 0.05s; }
  .mobile-menu.active .mobile-menu__link:nth-child(2) { transition-delay: 0.1s; }
  .mobile-menu.active .mobile-menu__link:nth-child(3) { transition-delay: 0.15s; }
  .mobile-menu.active .mobile-menu__link:nth-child(4) { transition-delay: 0.2s; }

  /* "Get in Touch" CTA — last link, styled prominently */
  .mobile-menu__link:last-child {
    margin-top: 1.5rem;
    padding: 0.85rem 1.5rem;
    background: var(--accent);
    color: #fff;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    border-bottom: none;
    transition-delay: 0.25s !important;
  }

  .mobile-menu__link:last-child:hover,
  .mobile-menu__link:last-child:active {
    background: #5a7aff;
    color: #fff;
    transform: none !important;
  }

  /* ── Hero Section ────────────────────────────────── */
  .hero {
    padding: calc(var(--nav-height) + 3rem) 1.25rem 3rem;
    min-height: 100svh;
    align-items: flex-start;
    padding-top: calc(var(--nav-height) + 3.5rem);
  }

  .hero__label {
    margin-bottom: 1.75rem;
  }

  .hero__label-text {
    font-size: 0.65rem;
  }

  .hero__label-line {
    width: 28px;
  }

  .hero__title {
    margin-bottom: 1.5rem;
  }

  .hero__title-line {
    font-size: clamp(2.2rem, 9vw, 3.5rem);
  }

  .hero__title-line--accent {
    font-size: clamp(1.6rem, 6vw, 2.5rem);
  }

  .hero__sub {
    font-size: 0.9rem;
    max-width: 100%;
  }

  /* Stack CTAs vertically, full width */
  .hero__ctas {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero__ctas .btn {
    width: 100%;
    justify-content: center;
  }

  /* Hide scroll indicator and video on mobile */
  .hero__scroll-indicator {
    display: none;
  }

  .hero__video {
    display: none;
  }

  .hero__glass {
    padding: 1.5rem;
    border-radius: 14px;
  }

  .hero__bg {
    object-position: 65% center;
  }

  /* ── Quantum Banner — Mobile ──────────────────────── */
  .quantum-banner {
    padding: 3rem 1.25rem;
    min-height: 280px;
  }

  .quantum-banner__inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    gap: 0.75rem 0;
  }

  .quantum-banner__eyebrow {
    grid-column: 1;
    grid-row: 1;
  }

  .quantum-banner__headline {
    grid-column: 1;
    grid-row: 2;
    gap: 1rem;
  }

  .quantum-banner__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .quantum-banner__sub {
    grid-column: 1;
    grid-row: 3;
    font-size: 0.85rem;
    justify-self: start;
    text-align: left;
    max-width: 100%;
  }

  .quantum-banner .btn {
    grid-column: 1;
    grid-row: 4;
    justify-self: start;
  }

  /* ── Philosophy Section ──────────────────────────── */
  .philosophy {
    padding: 4rem 1.25rem;
  }

  .philosophy__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Left (title) appears above right (text) */
  .philosophy__left {
    order: 1;
  }

  .philosophy__right {
    order: 2;
  }

  .philosophy__title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .philosophy__text {
    font-size: 0.95rem;
  }

  .philosophy__ctas {
    flex-direction: column;
    gap: 0.75rem;
  }

  .philosophy__ctas .btn {
    width: 100%;
    justify-content: center;
  }

  /* ── Services Cards ──────────────────────────────── */
  .services {
    padding: 4rem 1.25rem 5rem;
  }

  .services__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .service-card {
    padding: 2rem 1.5rem;
  }

  /* Card number + title in a row on mobile */
  .service-card__header-row {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.25rem;
  }

  .service-card__number {
    margin-bottom: 0;
    font-size: 0.65rem;
    flex-shrink: 0;
  }

  .service-card__title {
    font-size: 1.5rem;
    margin-bottom: 0;
  }

  .service-card__desc {
    font-size: 0.9rem;
  }

  .service-card__list li {
    font-size: 0.85rem;
  }

  /* ── Marquee ─────────────────────────────────────── */
  .marquee__track {
    font-size: clamp(1rem, 4vw, 1.5rem);
    animation-duration: 15s;
    gap: 1.25rem;
  }

  /* ── Contact Section ─────────────────────────────── */
  .contact {
    padding: 4rem 1.25rem 5rem;
  }

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

  /* Stack: info above form */
  .contact__left {
    order: 1;
  }

  .contact__right {
    order: 2;
  }

  .contact__title {
    font-size: clamp(2rem, 7vw, 3rem);
  }

  /* First/Last name row stacks vertically */
  .contact__form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-input {
    font-size: 1rem; /* Prevents zoom on iOS */
  }

  /* ── Team Grid ───────────────────────────────────── */
  .team-section {
    padding: 0 1.25rem 5rem;
  }

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

  .team-card__photo {
    aspect-ratio: 4/3;
    max-height: 200px;
    object-fit: cover;
  }

  /* Featured card — full bleed photo on mobile */
  .team-card--featured {
    max-width: 100%;
  }

  .team-card--featured .team-card__photo {
    aspect-ratio: auto;
    max-height: none;
    object-fit: cover;
    width: 100%;
  }

  .team-card__info {
    padding: 1.25rem;
  }

  .team-card__name {
    font-size: 1.1rem;
  }

  .team-card__bio {
    font-size: 0.8rem;
  }

  /* ── Focus Grid (Thesis) ─────────────────────────── */
  .focus-grid {
    padding: 0 1.25rem 5rem;
  }

  .focus-grid__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .focus-card {
    padding: 1.75rem 1.25rem;
  }

  .focus-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }

  .focus-card__name {
    font-size: 0.8rem;
  }

  /* ── Page Hero (inner pages) ─────────────────────── */
  .page-hero {
    padding: calc(var(--nav-height) + 3.5rem) 1.25rem 3rem;
  }

  .page-hero__title {
    font-size: clamp(2.5rem, 8vw, 5rem);
  }

  .page-hero__sub {
    font-size: 0.95rem;
  }

  /* ── Investors Page ──────────────────────────────── */
  .investors-content {
    padding: 2.5rem 1.25rem 4rem;
  }

  .investors-content p {
    font-size: 0.95rem;
  }

  .investors-content li {
    font-size: 0.9rem;
  }

  .logos-section {
    padding: 0 1.25rem 5rem;
  }

  .logos-grid {
    gap: 1.5rem 2rem;
    justify-content: center;
    /* 2-3 items per row on tablets */
  }

  .logo-item {
    font-size: 1.1rem;
    flex: 0 1 calc(33.333% - 1.5rem);
    text-align: center;
  }

  /* ── Quantum Page ────────────────────────────────── */
  .aec-hero__video {
    display: none;
  }

  .quantum-hero {
    padding: calc(var(--nav-height) + 3rem) 1.25rem 3rem;
    min-height: 380px;
    display: block;
  }

  .quantum-hero .page-hero__title {
    font-size: clamp(2rem, 8vw, 3.2rem);
  }

  .quantum-section {
    padding: 3.5rem 1.25rem;
  }

  .quantum-section__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .quantum-section__inner--reverse {
    direction: ltr;
  }

  /* Show section visuals on mobile — stack below text */
  .quantum-section__visual {
    margin-top: 1.5rem;
  }

  .quantum-section__visual img {
    border-radius: 8px;
    max-height: 280px;
    object-fit: contain;
    width: 100%;
  }

  .quantum-section__title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
  }

  .quantum-section__text {
    font-size: 0.95rem;
  }

  /* ── AEC Card Treatment (mobile only) ─────────────── */
  .aec-scard {
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 2rem 1.25rem !important;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  /* Animated top accent line */
  .aec-scard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), var(--text-accent-bright), var(--accent), transparent);
    background-size: 200% 100%;
    animation: aecLineSlide 3s ease-in-out infinite;
  }

  /* Animated bottom accent line */
  .aec-scard::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    pointer-events: none;
    z-index: 0;
  }

  /* ── BLUE variant ── */
  .aec-scard--blue {
    border-color: rgba(107,138,255,0.1);
    box-shadow:
      inset 0 1px 0 rgba(107,138,255,0.06),
      inset 0 -1px 0 rgba(107,138,255,0.04),
      0 0 60px rgba(107,138,255,0.04);
    background:
      radial-gradient(ellipse 180px 180px at 90% 15%, rgba(107,138,255,0.07) 0%, transparent 70%),
      radial-gradient(ellipse 120px 120px at 10% 85%, rgba(139,164,255,0.05) 0%, transparent 70%),
      radial-gradient(circle 60px at 75% 60%, rgba(107,138,255,0.04) 0%, transparent 70%),
      rgba(0,0,0,0.5);
  }

  .aec-scard--blue::before {
    background: linear-gradient(90deg, transparent, rgba(107,138,255,0.6), rgba(139,164,255,0.9), rgba(107,138,255,0.6), transparent);
    background-size: 200% 100%;
    animation: aecLineSlide 3s ease-in-out infinite;
  }

  .aec-scard--blue::after {
    background: linear-gradient(90deg, transparent, rgba(107,138,255,0.3), transparent);
    background-size: 200% 100%;
    animation: aecLineSlide 3s ease-in-out infinite reverse;
  }

  /* Blue floating orbs inside card */
  .aec-scard--blue > div::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 8%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(107,138,255,0.4);
    box-shadow:
      0 0 12px rgba(107,138,255,0.3),
      0 0 30px rgba(107,138,255,0.15),
      80px 120px 0 3px rgba(139,164,255,0.2),
      80px 120px 10px rgba(139,164,255,0.15),
      -30px 200px 0 2px rgba(107,138,255,0.15),
      -30px 200px 8px rgba(107,138,255,0.1),
      150px 80px 0 2px rgba(107,138,255,0.12),
      150px 80px 6px rgba(107,138,255,0.08);
    pointer-events: none;
    z-index: 0;
    animation: aecFloat 6s ease-in-out infinite alternate;
  }

  .aec-scard--blue > div::after {
    content: '';
    display: block;
    margin-top: 2rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(107,138,255,0.2), transparent 80%);
  }

  /* Corner accent dot */
  .aec-scard--blue .quantum-section__label::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 16px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(107,138,255,0.6);
    box-shadow: 0 0 10px rgba(107,138,255,0.4), 0 0 25px rgba(107,138,255,0.2);
    animation: aecPulse 3s ease-in-out infinite;
  }

  /* ── GOLD variant ── */
  .aec-scard--gold {
    border-color: rgba(201,168,76,0.1);
    box-shadow:
      inset 0 1px 0 rgba(201,168,76,0.06),
      inset 0 -1px 0 rgba(201,168,76,0.04),
      0 0 60px rgba(201,168,76,0.04);
    background:
      radial-gradient(ellipse 180px 180px at 10% 15%, rgba(201,168,76,0.06) 0%, transparent 70%),
      radial-gradient(ellipse 120px 120px at 90% 85%, rgba(232,212,140,0.04) 0%, transparent 70%),
      radial-gradient(circle 60px at 25% 60%, rgba(201,168,76,0.035) 0%, transparent 70%),
      rgba(0,0,0,0.5);
  }

  .aec-scard--gold::before {
    background: linear-gradient(90deg, transparent, rgba(201,168,76,0.6), rgba(232,212,140,0.9), rgba(201,168,76,0.6), transparent);
    background-size: 200% 100%;
    animation: aecLineSlide 4s ease-in-out infinite;
  }

  .aec-scard--gold::after {
    background: linear-gradient(90deg, transparent, rgba(201,168,76,0.3), transparent);
    background-size: 200% 100%;
    animation: aecLineSlide 4s ease-in-out infinite reverse;
  }

  /* Gold floating orbs inside card */
  .aec-scard--gold > div::before {
    content: '';
    position: absolute;
    top: 25%;
    left: 8%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(201,168,76,0.4);
    box-shadow:
      0 0 12px rgba(201,168,76,0.3),
      0 0 30px rgba(201,168,76,0.15),
      100px 100px 0 3px rgba(232,212,140,0.2),
      100px 100px 10px rgba(232,212,140,0.15),
      -40px 180px 0 2px rgba(201,168,76,0.15),
      -40px 180px 8px rgba(201,168,76,0.1),
      180px 60px 0 2px rgba(201,168,76,0.12),
      180px 60px 6px rgba(201,168,76,0.08);
    pointer-events: none;
    z-index: 0;
    animation: aecFloat 7s ease-in-out infinite alternate-reverse;
  }

  .aec-scard--gold > div::after {
    content: '';
    display: block;
    margin-top: 2rem;
    height: 1px;
    background: linear-gradient(270deg, rgba(201,168,76,0.2), transparent 80%);
  }

  /* Corner accent dot */
  .aec-scard--gold .quantum-section__label::before {
    content: '';
    position: absolute;
    top: 16px;
    right: 16px;
    left: auto;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(201,168,76,0.6);
    box-shadow: 0 0 10px rgba(201,168,76,0.4), 0 0 25px rgba(201,168,76,0.2);
    animation: aecPulse 4s ease-in-out infinite;
  }

  @keyframes aecLineSlide {
    0%   { background-position: -100% 0; }
    100% { background-position: 200% 0; }
  }

  @keyframes aecFloat {
    0%   { transform: translate(0, 0); }
    100% { transform: translate(8px, -12px); }
  }

  @keyframes aecPulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50%      { opacity: 1; transform: scale(1.5); }
  }

  /* Team photos — full size, no crop */
  .tm-card__photo,
  .aec-card__photo {
    width: 100%;
    display: block;
  }

  /* AEC team grid — single column on mobile */
  .aec-team-grid {
    grid-template-columns: 1fr !important;
    max-width: 400px;
  }

  /* Vikal's card wrapper — full width on mobile, match other cards */
  .team-grid-section > div[style*="max-width:320px"] {
    max-width: 100% !important;
  }

  /* Team grid single column on mobile */
  .tm-grid {
    grid-template-columns: 1fr !important;
  }

  /* OpenSiva hero — full viewport on mobile */
  .opensiva-banner {
    min-height: 100vh !important;
    padding: calc(var(--nav-height) + 3rem) 1.25rem 4rem !important;
  }

  /* Thesis section — hide bg image on mobile, use card instead */
  .aec-thesis-section {
    background: #000 !important;
  }

  /* Research section */
  .research-section {
    padding: 3.5rem 1.25rem 4rem;
  }

  /* ── Story Section ───────────────────────────────── */
  .story {
    padding: 3rem 1.25rem 4rem;
  }

  .story__text {
    font-size: 1rem;
  }

  .story__text::before {
    font-size: 3.5rem;
    top: -1.5rem;
    left: -0.5rem;
  }

  /* ── Thesis Content ──────────────────────────────── */
  .thesis-content {
    padding: 2.5rem 1.25rem 4rem;
  }

  .thesis-content p {
    font-size: 0.95rem;
  }

  /* ── Footer ──────────────────────────────────────── */
  .footer {
    padding: 2rem 1.25rem;
  }

  .footer__inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
    align-items: center;
  }

  .footer__left {
    justify-content: center;
  }

  /* ── Utility: hover underlines visible on mobile ─── */
  .nav__link::after {
    display: none;
  }
}

/* ══════════════════════════════════════════════════════
   MOBILE (max-width: 480px)
   ══════════════════════════════════════════════════════ */
@media (max-width: 480px) {

  /* ── Navigation ─────────────────────────────────── */
  .nav__inner {
    padding: 0 1rem;
  }

  .nav__logo-text {
    font-size: 0.85rem;
  }

  /* ── Mobile Menu ─────────────────────────────────── */
  .mobile-menu__inner {
    padding: 1.75rem 2rem;
  }

  .mobile-menu__link {
    font-size: clamp(1.75rem, 10vw, 2.5rem);
    padding: 0.5rem 0;
  }

  /* ── Hero ────────────────────────────────────────── */
  .hero {
    padding: calc(var(--nav-height) + 2.5rem) 1rem 2.5rem;
  }

  .hero__title-line {
    font-size: clamp(2.2rem, 11vw, 3rem);
  }

  .hero__title-line--accent {
    font-size: clamp(1.5rem, 7.5vw, 2.2rem);
  }

  .hero__sub {
    font-size: 0.875rem;
    line-height: 1.65;
  }

  .hero__label {
    margin-bottom: 1.5rem;
  }

  /* ── Quantum Banner ──────────────────────────────── */
  .quantum-banner {
    padding: 2.5rem 1rem;
    min-height: 260px;
  }

  .quantum-banner__title {
    font-size: clamp(1.8rem, 9vw, 2.8rem);
  }

  /* ── Philosophy ──────────────────────────────────── */
  .philosophy {
    padding: 3rem 1rem;
  }

  .philosophy__title {
    font-size: clamp(1.6rem, 8vw, 2.2rem);
  }

  /* ── Services ────────────────────────────────────── */
  .services {
    padding: 3rem 1rem 4rem;
  }

  .service-card {
    padding: 1.75rem 1.25rem;
  }

  .service-card__title {
    font-size: 1.35rem;
  }

  /* ── Contact ─────────────────────────────────────── */
  .contact {
    padding: 3rem 1rem 4rem;
  }

  /* ── Team Grid — 1 column on phones ─────────────── */
  .team-section {
    padding: 0 1rem 4rem;
  }

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

  .team-card__photo {
    aspect-ratio: 16/9;
    max-height: 220px;
  }

  /* ── Focus Grid — 1 column on phones ────────────── */
  .focus-grid {
    padding: 0 1rem 4rem;
  }

  .focus-grid__inner {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .focus-card {
    padding: 1.5rem 1.25rem;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .focus-card__icon {
    flex-shrink: 0;
    margin: 0;
    width: 38px;
    height: 38px;
  }

  .focus-card__name {
    font-size: 0.85rem;
    text-align: left;
  }

  /* ── Page Hero ───────────────────────────────────── */
  .page-hero {
    padding: calc(var(--nav-height) + 2.5rem) 1rem 2.5rem;
  }

  .page-hero__title {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  /* ── Investors Logos — 2 per row on phones ───────── */
  .logos-section {
    padding: 0 1rem 4rem;
  }

  .logos-grid {
    gap: 1.25rem 1.5rem;
  }

  .logo-item {
    font-size: 1rem;
    flex: 0 1 calc(50% - 1rem);
  }

  /* ── Quantum Page ────────────────────────────────── */
  .quantum-hero {
    padding: calc(var(--nav-height) + 2.5rem) 1rem 2.5rem;
    min-height: 340px;
  }

  .quantum-hero .page-hero__title {
    font-size: clamp(1.8rem, 9vw, 2.8rem);
  }

  .quantum-section {
    padding: 3rem 1rem;
  }

  /* ── Story ───────────────────────────────────────── */
  .story {
    padding: 2.5rem 1rem 3rem;
  }

  /* ── Thesis Content ──────────────────────────────── */
  .thesis-content {
    padding: 2rem 1rem 3rem;
  }

  /* ── Investors Content ───────────────────────────── */
  .investors-content {
    padding: 2rem 1rem 3rem;
  }

  /* ── Footer ──────────────────────────────────────── */
  .footer {
    padding: 1.75rem 1rem;
  }

  /* ── Research Section ────────────────────────────── */
  .research-section {
    padding: 3rem 1rem;
  }

  /* ── Buttons full width on smallest phones ───────── */
  .hero__ctas .btn,
  .philosophy__ctas .btn {
    padding: 0.9rem 1.5rem;
    font-size: 0.8rem;
  }

  /* ── Form inputs ─────────────────────────────────── */
  .form-input {
    padding: 0.9rem 0.875rem;
    font-size: 1rem;
  }

  .form-textarea {
    min-height: 100px;
  }

  /* ── Section numbers on small screens ───────────── */
  .section-number {
    font-size: 0.65rem;
  }
}

/* ══════════════════════════════════════════════════════
   LARGE SCREENS (min-width: 1025px)
   Ensure cursor glow is active on large screens
   ══════════════════════════════════════════════════════ */
@media (min-width: 1025px) {
  .cursor-glow {
    display: block;
  }

  /* Ensure nav links are always visible on large */
  .nav__links {
    display: flex;
  }

  .nav__burger {
    display: none;
  }
}