/* ==========================================================================
   NS Template
   Moody, edgy dark aesthetic with bold typography
   ========================================================================== */

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

/* ---------- CSS Variables ---------- */
:root {
  /* Colors */
  --ns-bg: #0d0d0d;
  --ns-surface: #141414;
  --ns-text: #f0ece4;
  --ns-text-muted: #8a8680;
  --ns-accent: #c0392b;
  --ns-border: #2a2a2a;

  /* Typography */
  --ns-font-heading: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ns-font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ns-font-size-base: 1rem;
  --ns-line-height: 1.7;

  /* Spacing */
  --ns-space-xs: 0.5rem;
  --ns-space-sm: 1rem;
  --ns-space-md: 2rem;
  --ns-space-lg: 4rem;
  --ns-space-xl: 6rem;
  --ns-space-2xl: 8rem;

  /* Layout */
  --ns-max-width: 1400px;

  /* Transitions */
  --ns-transition: 300ms ease;
}

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--ns-font-body);
  font-size: var(--ns-font-size-base);
  line-height: var(--ns-line-height);
  color: var(--ns-text);
  background-color: var(--ns-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--ns-text);
  text-decoration: none;
  transition: color var(--ns-transition);
}

a:hover {
  color: var(--ns-accent);
}

ul {
  list-style: none;
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--ns-space-xs) var(--ns-space-sm);
  background: var(--ns-accent);
  color: var(--ns-text);
  font-size: 0.875rem;
  z-index: 9999;
  transition: top var(--ns-transition);
}

.skip-link:focus {
  top: 0;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--ns-accent);
  outline-offset: 2px;
}

/* ---------- Fade-in Animation ---------- */
.ns-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .ns-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Header ---------- */
.ns-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--ns-space-sm) var(--ns-space-md);
  background-color: rgba(13, 13, 13, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ns-border);
}

.ns-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--ns-max-width);
  margin-inline: auto;
}

.ns-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ns-text);
}

.ns-logo__mark {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--ns-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  flex-shrink: 0;
  transition: background var(--ns-transition), color var(--ns-transition);
}

.ns-logo:hover .ns-logo__mark {
  background: var(--ns-text);
  color: var(--ns-bg);
}

.ns-logo__text {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 400;
  line-height: 1.25;
}

/* ---------- Navigation ---------- */
.ns-nav__list {
  display: none;
  align-items: center;
  gap: var(--ns-space-md);
}

.ns-nav__list > li {
  display: flex;
  align-items: center;
}

.ns-nav__link {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ns-text-muted);
  transition: color var(--ns-transition);
}

.ns-nav__link:hover,
.ns-nav__link:focus-visible {
  color: var(--ns-text);
}

/* ---------- Mobile Menu Toggle ---------- */
.ns-menu-toggle {
  position: relative;
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--ns-space-xs);
  color: var(--ns-text);
}

.ns-menu-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Mobile nav open state */
.ns-nav--open .ns-nav__list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background-color: var(--ns-bg);
  padding: 5rem var(--ns-space-md) var(--ns-space-md);
  z-index: 99;
  overflow-y: auto;
}

.ns-nav--open .ns-nav__list > li {
  width: 100%;
  border-bottom: 1px solid var(--ns-border);
}

.ns-nav--open .ns-nav__link {
  display: block;
  padding: var(--ns-space-sm) 0;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
}

/* Match invert toggle to nav link appearance in mobile menu */
.ns-nav--open .ns-invert-toggle--nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: var(--ns-space-sm) 0;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  border: none;
  color: var(--ns-text-muted);
  margin-block-start: 0;
}

.ns-nav--open .ns-invert-toggle--nav svg {
  width: 1rem;
  height: 1rem;
}

/* ---------- Hero ---------- */
.ns-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: var(--ns-space-2xl) var(--ns-space-md) var(--ns-space-lg);
  overflow: hidden;
}

.ns-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.ns-hero__bg-image {
  width: 100%;
  height: 130%;
  object-fit: cover;
  filter: brightness(0.4);
  will-change: transform;
}

.ns-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--ns-bg) 0%,
    rgba(13, 13, 13, 0.5) 50%,
    transparent 100%
  );
}

.ns-hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--ns-max-width);
  width: 100%;
  margin-inline: auto;
}

.ns-hero__title {
  font-family: var(--ns-font-heading);
  font-size: clamp(4rem, 15vw, 12rem);
  font-weight: 800;
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-block-end: var(--ns-space-sm);
}

.ns-hero__title-accent {
  color: var(--ns-accent);
}

.ns-hero__subtitle {
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ns-text-muted);
}

/* ---------- Gallery ---------- */
.ns-gallery {
  padding: var(--ns-space-xl) var(--ns-space-md);
  max-width: var(--ns-max-width);
  margin-inline: auto;
}

.ns-gallery__header {
  margin-block-end: var(--ns-space-lg);
}

.ns-gallery__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ns-accent);
  margin-block-end: var(--ns-space-xs);
}

.ns-gallery__title {
  font-family: var(--ns-font-heading);
  font-size: clamp(2rem, 5vw + 0.5rem, 4rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
}

/* Staggered / unconventional grid */
.ns-gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ns-space-sm);
}

.ns-gallery__item {
  position: relative;
  overflow: hidden;
}

.ns-gallery__image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.6s ease;
  /* start slightly zoomed to crop white borders on real photos */
  transform: scale(1.2);
}


.ns-gallery__item--portrait .ns-gallery__image {
  aspect-ratio: 2 / 3;
}

.ns-gallery__item:hover .ns-gallery__image {
  /* 1.08 base + ~0.05 hover lift */
  transform: scale(1.25);
}


.ns-gallery__item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(13, 13, 13, 0.8) 0%,
    transparent 60%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--ns-space-md);
  pointer-events: none;
}

.ns-gallery__item-title {
  font-family: var(--ns-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ns-gallery__item-category {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ns-text-muted);
  margin-block-start: 0.25rem;
}

/* ---------- Statement ---------- */
.ns-statement {
  padding: var(--ns-space-xl) var(--ns-space-md);
  text-align: center;
}

.ns-statement__inner {
  max-width: 900px;
  margin-inline: auto;
}

.ns-statement__text {
  font-family: var(--ns-font-heading);
  font-size: clamp(1.5rem, 4vw + 0.5rem, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.ns-statement__accent {
  color: var(--ns-accent);
}

/* ---------- Testimonials ---------- */
.ns-testimonials {
  padding: var(--ns-space-xl) var(--ns-space-md);
  border-top: 1px solid var(--ns-border);
  border-bottom: 1px solid var(--ns-border);
}

.ns-testimonials__inner {
  max-width: var(--ns-max-width);
  margin-inline: auto;
}

.ns-testimonials__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ns-accent);
  margin-block-end: var(--ns-space-lg);
}

.ns-testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ns-space-lg);
}

.ns-testimonial {
  padding: var(--ns-space-md);
  border-left: 2px solid var(--ns-accent);
}

.ns-testimonial__quote {
  font-size: 1.0625rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.8;
  color: var(--ns-text);
  margin-block-end: var(--ns-space-sm);
}

.ns-testimonial__author {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ns-text-muted);
}

/* ---------- About ---------- */
.ns-about {
  padding: var(--ns-space-xl) var(--ns-space-md);
}

.ns-about__inner {
  display: flex;
  flex-direction: column;
  gap: var(--ns-space-lg);
  max-width: var(--ns-max-width);
  margin-inline: auto;
}

.ns-about__image-wrapper {
  position: relative;
  width: 100%;
}

.ns-about__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.1);
}

.ns-about__image-border {
  position: absolute;
  inset: -8px;
  border: 1px solid var(--ns-border);
  pointer-events: none;
  z-index: -1;
}

.ns-about__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--ns-space-sm);
}

.ns-about__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ns-accent);
}

.ns-about__title {
  font-family: var(--ns-font-heading);
  font-size: clamp(2rem, 4vw + 0.5rem, 3.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
}

.ns-about__text {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--ns-text-muted);
  line-height: 1.8;
}

.ns-about__link {
  display: inline-flex;
  align-items: center;
  gap: var(--ns-space-xs);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ns-text);
  border-bottom: 2px solid var(--ns-accent);
  padding-block-end: 4px;
  align-self: flex-start;
  transition: color var(--ns-transition);
}

.ns-about__link:hover {
  color: var(--ns-accent);
}

/* ---------- Contact ---------- */
.ns-contact {
  padding: var(--ns-space-xl) var(--ns-space-md);
  text-align: center;
  border-top: 1px solid var(--ns-border);
}

.ns-contact__inner {
  max-width: 700px;
  margin-inline: auto;
}

.ns-contact__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ns-accent);
  margin-block-end: var(--ns-space-sm);
}

.ns-contact__title {
  font-family: var(--ns-font-heading);
  font-size: clamp(2rem, 5vw + 0.5rem, 4rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-block-end: var(--ns-space-sm);
}

.ns-contact__text {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--ns-text-muted);
  line-height: 1.8;
  margin-block-end: var(--ns-space-md);
}

.ns-contact__email {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ns-text);
  border-bottom: 2px solid var(--ns-accent);
  padding-block-end: 4px;
  transition: color var(--ns-transition);
}

.ns-contact__email:hover {
  color: var(--ns-accent);
}

/* ---------- Footer ---------- */
.ns-footer {
  padding: var(--ns-space-lg) var(--ns-space-md);
  border-top: 1px solid var(--ns-border);
}

.ns-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ns-space-sm);
  max-width: var(--ns-max-width);
  margin-inline: auto;
  text-align: center;
}

.ns-footer__brand {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.ns-footer__copy {
  font-size: 0.6875rem;
  color: var(--ns-text-muted);
}

.ns-invert-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ns-text-muted);
  background: none;
  border: 1px solid var(--ns-border);
  padding: 0.5rem 0.875rem;
  cursor: pointer;
  transition: color var(--ns-transition), border-color var(--ns-transition);
}

.ns-invert-toggle:hover {
  color: var(--ns-text);
  border-color: var(--ns-text);
}

.ns-invert-toggle svg {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
}

/* Invert state */
html.ns-inverted {
  filter: invert(1);
}

/* Nav variant — inherits nav link appearance */
.ns-invert-toggle--nav {
  border: none;
  padding: 0;
  line-height: 1;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ns-text-muted);
}

.ns-invert-toggle--nav:hover {
  border: none;
  color: var(--ns-text);
}

/* ========================================================================
   Responsive — Tablet (768px+)
   ======================================================================== */
@media (min-width: 768px) {
  .ns-nav__list {
    display: flex;
  }

  .ns-menu-toggle {
    display: none;
  }

  .ns-nav__link--mobile-only {
    display: none;
  }

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

  .ns-gallery__item--portrait {
    grid-row: span 2;
  }

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

  .ns-about__inner {
    flex-direction: row;
    gap: var(--ns-space-xl);
    align-items: center;
  }

  .ns-about__image-wrapper {
    width: 45%;
    flex-shrink: 0;
  }

  .ns-about__content {
    width: 55%;
  }

  .ns-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    padding-inline-end: 5rem;
  }
}

/* ========================================================================
   Responsive — Desktop (1024px+)
   ======================================================================== */
@media (min-width: 1024px) {
  .ns-gallery__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--ns-space-md);
  }

  .ns-testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ns-hero {
    padding: var(--ns-space-2xl) var(--ns-space-lg) var(--ns-space-xl);
  }

  .ns-gallery {
    padding: var(--ns-space-xl) var(--ns-space-lg);
  }

  .ns-about {
    padding: var(--ns-space-2xl) var(--ns-space-lg);
  }

  .ns-contact {
    padding: var(--ns-space-2xl) var(--ns-space-lg);
  }
}

/* ---------- Back to Top ---------- */
.ns-top-sentinel {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.ns-btt {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.25rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 150;

  opacity: 0;
  pointer-events: none;
  transform: scale(0.85);
  transition: opacity 300ms ease, transform 300ms ease;
}

.ns-btt--visible {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.ns-btt:focus-visible {
  outline: 2px solid var(--ns-accent);
  outline-offset: 3px;
  border-radius: 50%;
}

.ns-btt__ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ns-btt__ring-bg {
  fill: var(--ns-surface);
  stroke: var(--ns-border);
  stroke-width: 2;
}

.ns-btt__ring-fill {
  fill: none;
  stroke: var(--ns-accent);
  stroke-width: 2;
  stroke-linecap: butt;
  stroke-dasharray: 100.53;
  stroke-dashoffset: 100.53;
  transition: stroke 200ms ease;
}

.ns-btt__arrow {
  position: relative;
  z-index: 1;
  width: 1.125rem;
  height: 1.125rem;
  color: var(--ns-accent);
  flex-shrink: 0;
  transition: color 200ms ease;
}

.ns-btt:hover .ns-btt__ring-fill {
  stroke: var(--ns-text);
}

.ns-btt:hover .ns-btt__arrow {
  color: var(--ns-text);
}

@media (prefers-reduced-motion: reduce) {
  .ns-btt {
    transition: none;
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .ns-btt__ring-fill {
    transition: none;
  }
}