/* =========================================================
   MAIN.CSS — Reset global, variabile CSS, tipografie
   alexbaicu.ro
   ========================================================= */

/* ── GOOGLE FONTS ─────────────────────────────────────────── */
/* Importate din <head> via link tag */

/* ── CSS CUSTOM PROPERTIES ───────────────────────────────── */
:root {
  /* Fundaluri */
  --color-bg-base:      #06080F;
  --color-bg-raised:    #0B0F1E;
  --color-bg-elevated:  #111828;
  --color-bg-nav:       rgba(6, 8, 15, 0.88);
  --color-bg-nav-mobile: rgba(6, 8, 15, 0.97);

  /* Accenturi brand */
  --color-cyan:         #00C8F0;
  --color-cyan-hover:   #00E5FF;
  --color-cyan-dim:     #008FB0;
  --color-gold:         #F5A623;
  --color-gold-hover:   #FFBE4A;
  --color-red-ro:       #E63946;

  /* Text */
  --color-text-primary: #EEF2FF;
  --color-text-muted:   #7A8FAD;
  --color-text-faint:   #3A4A6A;

  /* Borduri */
  --color-border:       rgba(0, 200, 240, 0.11);
  --color-border-gold:  rgba(245, 166, 35, 0.20);
  --color-border-hover: rgba(0, 200, 240, 0.28);
  --color-border-red:   rgba(230, 57, 70, 0.18);

  /* Semantic */
  --color-success:      #00E676;
  --color-error:        #FF5252;
  --color-warning:      #FFB300;

  /* Tipografie */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --text-xs:      0.75rem;
  --text-sm:      0.875rem;
  --text-base:    1rem;
  --text-lg:      1.1rem;
  --text-xl:      1.25rem;
  --text-2xl:     1.5rem;
  --text-3xl:     2rem;
  --text-section: clamp(1.9rem, 3.8vw, 3rem);
  --text-hero:    clamp(2.6rem, 5.5vw, 4.8rem);
  --text-price:   clamp(2.5rem, 4vw, 3.3rem);

  --weight-light:   300;
  --weight-regular: 400;
  --weight-medium:  500;
  --weight-bold:    700;
  --weight-black:   800;

  /* Spațiere */
  --section-padding: 96px 5%;
  --radius-sm:   9px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --radius-xl:   28px;
  --radius-pill: 50px;
  --gap-grid:    22px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-cyan-hover);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-display);
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: var(--text-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  color: var(--color-text-primary);
}

/* ── SKIP LINK ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  background: var(--color-cyan);
  color: var(--color-bg-base);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
}

/* ── TIPOGRAFIE GLOBALĂ ───────────────────────────────────── */
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-section);
  font-weight: var(--weight-black);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.section-title span {
  color: var(--color-cyan);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 3rem;
}

/* ── ANIMAȚII FADE-IN ─────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger delays */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }
.fade-in:nth-child(6) { transition-delay: 0.5s; }

/* ── KEYFRAMES ────────────────────────────────────────────── */
@keyframes flt {
  0%, 100% { transform: translateY(0px) scale(1); }
  50%       { transform: translateY(-28px) scale(1.03); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── LIGHT MODE ───────────────────────────────────────────── */
[data-theme="light"] {
  --color-bg-base:       #F5F7FF;
  --color-bg-raised:     #EBF0FF;
  --color-bg-elevated:   #DDE5FF;
  --color-bg-nav:        rgba(245, 247, 255, 0.92);
  --color-bg-nav-mobile: rgba(245, 247, 255, 0.98);

  --color-text-primary:  #0C1225;
  --color-text-muted:    #4A5A7A;
  --color-text-faint:    #9AAAC8;

  --color-border:        rgba(0, 100, 160, 0.14);
  --color-border-gold:   rgba(200, 120, 0, 0.22);
  --color-border-hover:  rgba(0, 100, 160, 0.35);
  --color-border-red:    rgba(200, 30, 50, 0.15);
}

/* ── THEME TOGGLE BUTTON ──────────────────────────────────── */
.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-border-hover);
}

.theme-icon-dark,
.theme-icon-light {
  position: absolute;
  line-height: 1;
  transition: opacity 0.25s, transform 0.25s;
}

.theme-icon-dark  { opacity: 1; transform: scale(1); }
.theme-icon-light { opacity: 0; transform: scale(0.7); }

[data-theme="light"] .theme-icon-dark  { opacity: 0; transform: scale(0.7); }
[data-theme="light"] .theme-icon-light { opacity: 1; transform: scale(1); }

/* ── REDUCED MOTION ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── BUTOANE COMUNE ───────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-cyan);
  color: var(--color-bg-base);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  border: none;
}

.btn-primary:hover {
  background: var(--color-cyan-hover);
  color: var(--color-bg-base);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 200, 240, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: var(--text-base);
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.btn-secondary:hover {
  border-color: var(--color-border-hover);
  color: var(--color-cyan);
  transform: translateY(-2px);
}

/* ── SECȚIUNI ─────────────────────────────────────────────── */
section {
  padding: var(--section-padding);
}

section:nth-child(even) {
  background-color: var(--color-bg-raised);
}

/* ── SCROLLBAR CUSTOM ─────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-hover);
  border-radius: 3px;
}

/* ── SELECTION ────────────────────────────────────────────── */
::selection {
  background: rgba(0, 200, 240, 0.25);
  color: var(--color-text-primary);
}

/* ── FOCUS VISIBLE ────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}