:root {
  --bg-1: #050b16;
  --bg-2: #0c1830;
  --bg-3: #111d35;
  --panel: rgba(18, 31, 52, 0.85);
  --panel-strong: rgba(20, 35, 59, 0.96);
  --panel-soft: rgba(28, 45, 68, 0.9);
  --text: #edf6ff;
  --muted: #b8cfe7;
  --line: rgba(255, 255, 255, 0.08);
  --primary: #7c6cff;
  --primary-2: #4cc9f0;
  --secondary: #18d1c0;
  --highlight: #ff7a59;
  --warning: #ffc857;
  --success: #90f1c8;
  --shadow: 0 24px 60px rgba(4, 10, 20, 0.42);
  --radius: 26px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(124, 108, 255, 0.28), transparent 20%),
    radial-gradient(circle at 90% 20%, rgba(24, 209, 192, 0.22), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(255, 122, 89, 0.18), transparent 22%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2) 40%, var(--bg-3));
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: none;
  background: none;
}

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.login-btn,
.upload-btn,
.btn-primary,
.btn-secondary,
.btn-soft {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.9rem 1.35rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.2s ease, background 0.2s ease;
  overflow: hidden;
}

.login-btn::before,
.upload-btn::before,
.btn-primary::before,
.btn-secondary::before,
.btn-soft::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.2) 40%, transparent 100%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}

.login-btn:hover::before,
.upload-btn:hover::before,
.btn-primary:hover::before,
.btn-secondary:hover::before,
.btn-soft:hover::before {
  transform: translateX(120%);
}

.login-btn {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.015);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--muted);
  box-shadow: none;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.9;
}

.login-btn:hover {
  color: var(--text);
  border-color: rgba(24, 209, 192, 0.2);
  background: rgba(24, 209, 192, 0.03);
}

.login-btn.is-logged {
  background: rgba(24, 209, 192, 0.04);
  border-color: rgba(24, 209, 192, 0.2);
  color: var(--secondary);
}

.upload-btn {
  background: linear-gradient(135deg, rgba(24, 209, 192, 0.12), rgba(255, 122, 89, 0.12));
  border-color: rgba(24, 209, 192, 0.28);
  color: var(--text);
}

.btn-primary,
.upload-btn {
  background: linear-gradient(90deg, var(--secondary), var(--primary-2));
  color: #031c26;
  box-shadow: 0 12px 28px rgba(24, 209, 192, 0.28);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-soft:hover,
.login-btn:hover,
.upload-btn:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
  color: var(--text);
}

.btn-soft {
  background: rgba(124, 108, 255, 0.12);
  border-color: rgba(124, 108, 255, 0.28);
  color: var(--text);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 50;
  background: rgba(3, 10, 18, 0.78);
  backdrop-filter: blur(12px);
}

.modal.is-open {
  display: flex;
}

.modal-card {
  position: relative;
  width: min(720px, 100%);
  max-height: min(86vh, 760px);
  overflow: auto;
  background: linear-gradient(180deg, rgba(13, 23, 39, 0.98), rgba(9, 18, 31, 0.98));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 28px 26px 24px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  font-size: 1.2rem;
}

.modal-header {
  margin-bottom: 18px;
}

.modal-header h3 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.05em;
}

.auth-form,
.upload-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  border-radius: 14px;
  padding: 0.95rem 1rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(24, 209, 192, 0.5);
  box-shadow: 0 0 0 3px rgba(24, 209, 192, 0.08);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-memory {
  color: var(--muted);
  font-size: 0.82rem;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

.mt-0 {
  margin-top: 0;
}

.hidden {
  display: none !important;
}

.status-message {
  display: none;
  margin-top: 12px;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  font-weight: 600;
  border: 1px solid transparent;
}

.status-message.show {
  display: block;
}

.status-message.success {
  background: rgba(144, 241, 200, 0.08);
  border-color: rgba(144, 241, 200, 0.35);
  color: var(--success);
}

.status-message.error {
  background: rgba(255, 122, 89, 0.08);
  border-color: rgba(255, 122, 89, 0.35);
  color: #ffb29d;
}

.file-hint {
  font-size: 0.78rem;
  color: var(--muted);
}

.dynamic-fields {
  display: grid;
  gap: 16px;
}

.dynamic-field {
  display: none;
  gap: 8px;
}

.dynamic-field.visible {
  display: grid;
}

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    padding: 18px 0;
  }

  .nav-actions {
    display: none !important;
  }
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 15, 29, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 18px;
  min-height: 88px;
  flex-wrap: wrap;
  padding: 8px 0;
}

.brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 auto;
}

.brand-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(24, 209, 192, 0.6);
  box-shadow: 0 12px 28px rgba(24, 209, 192, 0.18);
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.22), rgba(24, 209, 192, 0.14));
}

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

.brand {
  font-weight: 800;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  letter-spacing: -0.06em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--muted);
  flex: 1 1 auto;
}

.main-nav a {
  transition: color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.btn-primary,
.btn-secondary,
.btn-soft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.4rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--secondary), var(--primary-2));
  color: #031c26;
  box-shadow: 0 12px 28px rgba(24, 209, 192, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
  color: var(--text);
}

.btn-soft {
  background: rgba(124, 108, 255, 0.12);
  border-color: rgba(124, 108, 255, 0.28);
  color: var(--text);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-soft:hover {
  transform: translateY(-1px);
}

.page-shell,
.main-shell {
  padding: 52px 0 72px;
}

.hero-panel {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  align-items: center;
  padding: clamp(26px, 4vw, 46px);
  background: linear-gradient(135deg, rgba(17, 28, 46, 0.94), rgba(16, 30, 48, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--warning);
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--secondary), var(--primary-2));
  box-shadow: 0 0 16px rgba(24, 209, 192, 0.8);
}

.hero-copy h1,
.module-hero h1,
.page-header h1 {
  margin: 0 0 18px;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.08em;
}

.hero-copy h1 span,
.module-hero h1 span {
  display: block;
  color: var(--secondary);
}

.hero-copy p,
.module-hero p,
.page-header p,
.info-card p,
.project-card p,
.service-card p,
.contact-card p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 26px;
}

.hero-stats {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-stats li {
  min-width: 120px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.hero-stats strong {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.8rem;
}

.hero-visual {
  position: relative;
  min-height: 380px;
  display: grid;
  place-items: center;
}

.status-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 1;
  background: rgba(124, 108, 255, 0.12);
  border: 1px solid rgba(124, 108, 255, 0.32);
  color: #d4ccff;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  font-size: 0.76rem;
  font-weight: 700;
}

.visual-shell {
  position: relative;
  width: min(100%, 420px);
  min-height: 340px;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(124, 108, 255, 0.2), rgba(17, 33, 56, 0.9));
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}

.visual-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(24, 209, 192, 0.18), transparent 52%);
}

.mini-card {
  position: absolute;
  padding: 18px 20px;
  min-width: 150px;
  border-radius: 18px;
  background: rgba(12, 18, 32, 0.7);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.mini-card span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 8px;
}

.mini-card strong {
  font-size: 1.3rem;
  letter-spacing: -0.04em;
}

.card-one { left: 32px; top: 44px; }
.card-two { right: 28px; top: 90px; }
.card-three { left: 90px; bottom: 40px; }

.section-kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--secondary);
  font-weight: 700;
}

.about-grid,
.module-grid,
.info-grid,
.showcase-grid,
.projects-grid,
.services-grid {
  display: grid;
  gap: 24px;
}

.about-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.module-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.module-card {
  display: grid;
  gap: 16px;
  padding: 28px 24px;
  background: linear-gradient(180deg, rgba(17, 29, 46, 0.94), rgba(12, 22, 36, 0.96));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.module-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.2), rgba(24, 209, 192, 0.15));
  border: 1px solid rgba(124, 108, 255, 0.2);
  font-size: 2rem;
}

.module-card h3,
.info-card h3,
.project-card h3,
.service-card h3 {
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 2.1rem);
  letter-spacing: -0.06em;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  background: rgba(24, 209, 192, 0.12);
  border: 1px solid rgba(24, 209, 192, 0.22);
  color: var(--secondary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.info-grid,
.showcase-grid,
.projects-grid,
.services-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.project-card,
.service-card,
.contact-card {
  padding: 26px 24px;
  background: linear-gradient(180deg, rgba(17, 29, 46, 0.94), rgba(12, 22, 36, 0.96));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.project-card {
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.web-link-card {
  display: block;
  color: inherit;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(24, 209, 192, 0.22);
  box-shadow: 0 18px 42px rgba(8, 15, 28, 0.38);
}

.project-media {
  min-height: 220px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.22), rgba(24, 209, 192, 0.14), rgba(255, 122, 89, 0.1));
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 3rem;
}

.project-media img,
.app-modal-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.app-card-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(24, 209, 192, 0.2);
  background: rgba(24, 209, 192, 0.06);
}

.app-card-stats span {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
}

.app-card-stats strong {
  font-size: 0.98rem;
  color: var(--text);
}

.project-footer {
  margin-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.link-button {
  background: none;
  color: var(--secondary);
  border: none;
  padding: 0;
  font-weight: 700;
  cursor: pointer;
}

.mini-download {
  color: var(--text);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(24, 209, 192, 0.22);
  background: rgba(24, 209, 192, 0.08);
}

.app-modal-card {
  width: min(900px, 100%);
}

.app-modal-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}

.app-modal-icon {
  width: 78px;
  height: 78px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.22), rgba(24, 209, 192, 0.18));
  border: 1px solid rgba(255,255,255,0.08);
}

.app-modal-header h3 {
  margin: 6px 0 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
  letter-spacing: -0.06em;
}

.app-modal-summary {
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  margin-bottom: 18px;
}

.app-modal-summary p,
.app-modal-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.project-screenshot {
  min-height: 120px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.12), rgba(24, 209, 192, 0.08));
  border: 1px solid var(--line);
  font-size: 2.4rem;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.project-meta div {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
}

.project-meta span {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 4px;
}

.project-meta strong {
  font-size: 1rem;
}

.app-modal-body {
  margin-bottom: 20px;
}

.app-modal-body h4 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.optimization-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.optimization-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.app-modal-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 640px) {
  .project-meta,
  .project-gallery {
    grid-template-columns: 1fr;
  }

  .app-modal-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

.inline-list,
.feature-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.page-header {
  padding-top: 40px;
}

.contact-form {
  display: grid;
  gap: 18px;
  margin-top: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  color: var(--text);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255,255,255,0.5);
}

.contact-form textarea {
  min-height: 170px;
  resize: vertical;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(4, 9, 18, 0.8);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 26px 0;
  color: var(--muted);
  flex-wrap: wrap;
}

@media (max-width: 960px) {
  .hero-panel,
  .about-grid,
  .module-grid,
  .info-grid,
  .showcase-grid,
  .projects-grid,
  .services-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .nav-wrap { min-height: 72px; padding: 10px 0; }
  .brand-wrap { min-width: 0; }
  .menu-toggle { display: block; flex: 0 0 auto; }
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
    flex-basis: 100%;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(9, 18, 31, 0.96);
  }
  .main-nav.is-open { display: grid; gap: 4px; }
  .main-nav a { padding: 12px 14px; border-radius: 10px; }
  .main-nav a:hover { background: rgba(24, 209, 192, 0.08); }
  .nav-actions { display: none; }

  /* Solo en navegadores Android se presenta primero el portfolio de apps. */
  .android-device .page-shell {
    display: flex;
    flex-direction: column;
  }

  .android-device > .page-header { order: 2; }
  .android-device > .section-spacing { order: 1; }
  .android-device > .info-grid { order: 3; }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 22px, 1200px);
  }

  .nav-wrap { justify-content: center; }
  .brand-wrap { justify-content: center; }
  .brand { display: none; }
  .brand-avatar { width: 58px; height: 58px; }
  .menu-toggle { position: absolute; right: 0; }

  .hero-actions,
  .hero-stats {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary,
  .btn-soft,
  .login-btn {
    width: 100%;
  }

  .modal { padding: 12px; }
  .modal-card { max-height: 92vh; padding: 24px 16px 18px; border-radius: 22px; }
  .app-modal-icon { width: 64px; height: 64px; }
  .app-modal-header h3 { font-size: 1.8rem; overflow-wrap: anywhere; }
  .optimization-gallery { grid-template-columns: 1fr; }
  .project-card, .info-card, .service-card, .contact-card { padding: 18px 16px; border-radius: 20px; }
  .project-media { min-height: 170px; border-radius: 16px; }
  .project-footer, .form-actions { align-items: stretch; }
  .project-footer > *, .form-actions > * { width: 100%; }
}