/* =============================================
   SECTIONS — Hero, About, Projects, etc.
   ============================================= */

/* ---- HERO ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__video-wrapper {
  width: 100%;
  height: 100%;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 26, 26, 0.3) 0%,
    rgba(26, 26, 26, 0.6) 50%,
    rgba(26, 26, 26, 0.8) 100%
  );
}

.hero__content {
  color: #fff;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: block;
  margin-bottom: var(--space-md);
  opacity: 0;
}

.hero__title {
  color: #fff;
  margin-bottom: var(--space-lg);
}

.hero__title .line {
  display: block;
  overflow: hidden;
}

.hero__title .line__inner {
  display: block;
  transform: translateY(110%);
}

.hero__subtitle {
  font-size: var(--fs-body);
  color: rgba(255, 255, 255, 0.75);
  max-width: 500px;
  margin-bottom: var(--space-xl);
  opacity: 0;
}

.hero__cta {
  opacity: 0;
  transform: scale(0.8);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ---- ABOUT ---- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about__image-wrapper {
  position: relative;
}

.about__image-border {
  position: absolute;
  top: 20px;
  left: -20px;
  right: 20px;
  bottom: -20px;
  border: 2px solid var(--color-accent);
  opacity: 0;
  transition: opacity 0.8s ease;
  z-index: -1;
}

.about__image-wrapper.is-visible .about__image-border {
  opacity: 1;
}

.about__image {
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.about__content .eyebrow {
  display: block;
  margin-bottom: var(--space-sm);
}

.about__content h2 {
  margin-bottom: var(--space-sm);
}

.about__content p {
  margin-bottom: var(--space-sm);
}

.about__content p:last-of-type {
  margin-bottom: var(--space-xl);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  line-height: 1;
}

.stat__suffix {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-accent);
}

.stat__label {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ---- PROJECTS ---- */
.projects__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  position: relative;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) ease;
  position: relative;
}

.filter-btn:hover {
  color: var(--color-text);
}

.filter-btn.active {
  color: var(--color-accent);
}

.filter-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent);
}

.project-card {
  overflow: hidden;
  cursor: pointer;
}

.project-card__image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease-out;
}

.project-card:hover .project-card__image {
  transform: scale(1.08);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__category {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
  transform: translateY(10px);
  transition: transform var(--duration-normal) ease;
}

.project-card:hover .project-card__category {
  transform: translateY(0);
}

.project-card__title {
  color: #fff;
  font-size: var(--fs-h3);
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: transform var(--duration-normal) ease 0.05s;
}

.project-card:hover .project-card__title {
  transform: translateY(0);
}

.project-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  transform: translateY(20px);
  transition: transform var(--duration-normal) ease 0.1s;
}

.project-card:hover .project-card__cta {
  transform: translateY(0);
}

.project-card__cta svg {
  transition: transform var(--duration-fast) ease;
}

.project-card:hover .project-card__cta svg {
  transform: translateX(4px);
}

/* Mobile: always show overlay partially */
@media (hover: none) {
  .project-card__overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(26,26,26,0.7) 0%, transparent 50%);
  }

  .project-card__category,
  .project-card__title,
  .project-card__cta {
    transform: translateY(0);
  }
}

/* ---- LIGHTBOX ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: #fff;
  padding: 0.5rem;
  z-index: 2;
  transition: transform var(--duration-fast) ease;
}

.lightbox__close:hover {
  transform: rotate(90deg);
}

.lightbox__counter {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-small);
}

.lightbox__content {
  max-width: 90vw;
  max-height: 85vh;
}

.lightbox__image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  transform: translateY(40px);
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.lightbox.is-open .lightbox__image {
  transform: translateY(0);
}

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  padding: 1rem;
  transition: all var(--duration-fast) ease;
}

.lightbox__prev { left: 1rem; }
.lightbox__next { right: 1rem; }

.lightbox__prev:hover,
.lightbox__next:hover {
  color: var(--color-accent);
}

/* ---- PROCESS / TIMELINE ---- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline__line {
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__line-fill {
  width: 100%;
  height: 0%;
  background: var(--color-accent);
  transition: height 0.1s linear;
}

.timeline__step {
  position: relative;
  padding-bottom: var(--space-2xl);
}

.timeline__step:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: -40px;
  top: 0;
  width: 32px;
  height: 32px;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: var(--fw-bold);
  color: var(--color-text-muted);
  transform: scale(0);
  transition: all 0.5s var(--ease-bounce);
  z-index: 1;
}

.timeline__dot.is-active {
  transform: scale(1);
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-surface);
}

.timeline__content {
  padding-left: var(--space-md);
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s var(--ease-out-expo);
}

.timeline__content.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline__content h3 {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.timeline__content p {
  font-size: var(--fs-small);
}

/* ---- TESTIMONIALS ---- */
.testimonials {
  background: var(--color-surface);
}

.testimonials__swiper {
  max-width: 700px;
  margin: 0 auto;
  padding-bottom: var(--space-xl);
}

.testimonial {
  text-align: center;
  padding: var(--space-lg);
}

.testimonial__quote {
  color: var(--color-accent);
  margin: 0 auto var(--space-md);
}

.testimonial__text {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-style: italic;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

.testimonial__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.testimonial__avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid var(--color-accent);
}

.testimonial__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial__name {
  display: block;
  font-size: var(--fs-body);
  color: var(--color-text);
}

.testimonial__role {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.testimonials__pagination {
  text-align: center;
  margin-top: var(--space-md);
}

.testimonials__pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: var(--color-border);
  opacity: 1;
  margin: 0 6px;
  transition: all var(--duration-normal) ease;
}

.testimonials__pagination .swiper-pagination-bullet-active {
  background: var(--color-accent);
  transform: scale(1.3);
}

/* ---- CONTACT ---- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.form-group {
  position: relative;
  margin-bottom: var(--space-lg);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem 0 0.5rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-body);
  color: var(--color-text);
  transition: border-color var(--duration-normal) ease;
  outline: none;
}

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

.form-group label {
  position: absolute;
  left: 0;
  top: 0.75rem;
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  pointer-events: none;
  transition: all var(--duration-normal) ease;
  transform-origin: left;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label,
.form-group select:focus ~ label,
.form-group select:valid ~ label {
  transform: translateY(-1.5rem) scale(0.85);
  color: var(--color-accent);
}

/* Fix: make placeholder-shown work */
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: transparent;
}

.form-line {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: translateX(-50%) scaleX(0);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line,
.form-group select:focus ~ .form-line {
  transform: translateX(-50%) scaleX(1);
}

.form-group.is-error input,
.form-group.is-error textarea {
  border-bottom-color: #e74c3c;
}

.form-group.is-error label {
  color: #e74c3c;
}

.form-message {
  margin-top: var(--space-sm);
  font-size: var(--fs-small);
  min-height: 1.5rem;
}

.form-message.success {
  color: #27ae60;
}

.form-message.error {
  color: #e74c3c;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact__info-block h4 {
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.contact__info-block p {
  font-size: var(--fs-small);
}

.contact__info-block a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast) ease;
}

.contact__info-block a:hover {
  color: var(--color-accent);
}

.contact__map {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.contact__map iframe {
  filter: grayscale(1) contrast(1.1);
  transition: filter var(--duration-slow) ease;
}

.contact__map:hover iframe {
  filter: grayscale(0) contrast(1);
}

/* ---- RESPONSIVE ---- */
@media (min-width: 768px) {
  .timeline {
    padding-left: 0;
  }

  .timeline__line {
    left: 50%;
    transform: translateX(-50%);
  }

  .timeline__step {
    display: grid;
    grid-template-columns: 1fr 32px 1fr;
    gap: 0;
    align-items: start;
  }

  .timeline__dot {
    position: relative;
    left: 0;
    grid-column: 2;
    justify-self: center;
  }

  .timeline__content {
    padding-left: 0;
    transform: translateX(0);
  }

  .timeline__step:nth-child(odd) .timeline__content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
    padding-right: var(--space-lg);
    transform: translateX(-30px);
  }

  .timeline__step:nth-child(odd) .timeline__content.is-visible {
    transform: translateX(0);
  }

  .timeline__step:nth-child(even) .timeline__content {
    grid-column: 3;
    padding-left: var(--space-lg);
    transform: translateX(30px);
  }

  .timeline__step:nth-child(even) .timeline__content.is-visible {
    transform: translateX(0);
  }
}

@media (min-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr 1fr;
  }

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