/* ============================================================
   ElemeSolutions — styles.css
   Design system: navy blue background, orange accent, white text, serif headings
   ============================================================ */

/* ----------------------------------------------------------
   1. RESET & BASE
   ---------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #0B1D33;
    --bg-card: #0F2640;
    --bg-card-alt: #0D2035;
    --border: #1A3654;
    --border-hover: #24476A;
    --gold: #F47B20;
    --gold-light: #FF9B4A;
    --gold-dim: rgba(244, 123, 32, 0.15);
    --gold-glow: rgba(244, 123, 32, 0.25);
    --white: #ffffff;
    --muted: #8BA3BE;
    --muted-light: #A3B8CE;
    --font-serif: "Times New Roman", Times, serif;
    --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
    --nav-height: 72px;
    --max-width: 1200px;
    --radius: 4px;
    --radius-lg: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background: var(--gold);
    color: #fff;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: var(--font-sans);
}

/* ----------------------------------------------------------
   2. TYPOGRAPHY HELPERS
   ---------------------------------------------------------- */
.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 1.2rem;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--muted-light);
    max-width: 600px;
    line-height: 1.75;
}

.gold-line {
    display: block;
    width: 48px;
    height: 2px;
    background: var(--gold);
    margin-top: 1.5rem;
}

/* ----------------------------------------------------------
   3. LAYOUT UTILITIES
   ---------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section {
    padding-block: clamp(5rem, 10vw, 8rem);
}

.section--dark {
    background: var(--bg);
}

.section--card {
    background: var(--bg-card);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.text-center {
    text-align: center;
}

.text-center .section-subtitle {
    margin-inline: auto;
}

.text-center .gold-line {
    margin-inline: auto;
}

/* ----------------------------------------------------------
   4. SCROLL ANIMATIONS
   ---------------------------------------------------------- */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity 0.7s var(--transition),
        transform 0.7s var(--transition);
}

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

.fade-up:nth-child(1) {
    transition-delay: 0.05s;
}
.fade-up:nth-child(2) {
    transition-delay: 0.15s;
}
.fade-up:nth-child(3) {
    transition-delay: 0.25s;
}
.fade-up:nth-child(4) {
    transition-delay: 0.35s;
}

.stagger-1 {
    transition-delay: 0.05s !important;
}
.stagger-2 {
    transition-delay: 0.18s !important;
}
.stagger-3 {
    transition-delay: 0.31s !important;
}
.stagger-4 {
    transition-delay: 0.44s !important;
}

/* ----------------------------------------------------------
   5. NAVIGATION
   ---------------------------------------------------------- */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition:
        background var(--transition),
        box-shadow var(--transition),
        backdrop-filter var(--transition);
}

#navbar.scrolled {
    background: rgba(11, 29, 51, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-logo img,
.nav-logo svg {
    height: 32px;
    width: auto;
}

.nav-logo-text {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--white);
    letter-spacing: 0.02em;
}

.nav-logo-text span {
    color: var(--gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted-light);
    letter-spacing: 0.03em;
    position: relative;
    transition: color var(--transition);
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width var(--transition);
}

.nav-links a:hover {
    color: var(--white);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Nav CTA button — needs .nav-links prefix to beat .nav-links a specificity */
.nav-links .btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--gold);
  border: none;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}
.nav-links .btn-nav:hover {
    background: var(--gold-light);
    color: #fff;
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition:
        transform var(--transition),
        opacity var(--transition);
    transform-origin: center;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav drawer */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(11, 29, 51, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-nav.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav a {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--muted-light);
    transition: color var(--transition);
}

.mobile-nav a:hover {
    color: var(--gold);
}

/* ----------------------------------------------------------
   6. BUTTONS
   ---------------------------------------------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.925rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #fff;
    background: var(--gold);
    border: none;
    border-radius: var(--radius);
    transition:
        background var(--transition),
        transform 0.2s ease,
        box-shadow 0.2s ease;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--gold-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(244, 123, 32, 0.3);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.925rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gold);
    background: transparent;
    border: 1px solid var(--gold);
    border-radius: var(--radius);
    transition:
        background var(--transition),
        color var(--transition),
        transform 0.2s ease;
    cursor: pointer;
}

.btn-outline:hover {
    background: var(--gold);
    color: #fff;
    transform: translateY(-2px);
}

/* ----------------------------------------------------------
   7. HERO SECTION
   ---------------------------------------------------------- */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: var(--nav-height);
}

/* Animated grid background */
.hero-canvas-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
}

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.55;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse 80% 60% at 50% 40%,
        rgba(244, 123, 32, 0.08) 0%,
        rgba(37, 99, 235, 0.04) 40%,
        transparent 70%
    );
}

.hero-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 40%,
        rgba(11, 29, 51, 0.6) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 860px;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
    padding-block: 4rem;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.75rem;
    opacity: 0;
    animation: fadeDown 0.8s 0.2s forwards;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
    content: "";
    display: block;
    width: 32px;
    height: 1px;
    background: var(--gold);
    opacity: 0.6;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 400;
    line-height: 1.13;
    color: var(--white);
    margin-bottom: 1.75rem;
    opacity: 0;
    animation: fadeDown 0.9s 0.4s forwards;
}

.hero-title em {
    font-style: normal;
    color: var(--gold);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    color: var(--muted-light);
    line-height: 1.75;
    max-width: 640px;
    margin-inline: auto;
    margin-bottom: 2.75rem;
    opacity: 0;
    animation: fadeDown 0.9s 0.6s forwards;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeDown 0.9s 0.8s forwards;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    opacity: 0;
    animation: fadeDown 1s 1.2s forwards;
    z-index: 1;
}

.scroll-mouse {
    width: 22px;
    height: 36px;
    border: 1px solid var(--border-hover);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-dot {
    width: 4px;
    height: 7px;
    background: var(--gold);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%,
    100% {
        transform: translateY(0);
        opacity: 1;
    }
    60% {
        transform: translateY(10px);
        opacity: 0;
    }
}

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ----------------------------------------------------------
   8. PROBLEM SECTION
   ---------------------------------------------------------- */
#problema {
    background: var(--bg);
    position: relative;
}

#problema::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.problem-intro {
    margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.problem-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 3vw, 2.5rem);
    position: relative;
    overflow: hidden;
    transition:
        border-color var(--transition),
        transform var(--transition);
}

.problem-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.problem-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.problem-card:hover::before {
    opacity: 1;
}

.problem-icon {
    width: 48px;
    height: 48px;
    background: var(--gold-dim);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: background var(--transition);
}

.problem-card:hover .problem-icon {
    background: rgba(244, 123, 32, 0.22);
}

.problem-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--gold);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.problem-card h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 0.875rem;
    line-height: 1.35;
}

.problem-card p {
    font-size: 0.925rem;
    color: var(--muted);
    line-height: 1.75;
}

/* ----------------------------------------------------------
   9. SERVICES SECTION
   ---------------------------------------------------------- */
#servicos {
    background: var(--bg-card);
    position: relative;
}

#servicos::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.services-intro {
    margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--bg-card-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 3.5vw, 2.75rem);
    position: relative;
    overflow: hidden;
    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
    cursor: default;
}

.service-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 0 1px var(--gold);
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    border-color: transparent;
    transform: translateY(-5px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px var(--gold-glow);
}

.service-card:hover::after {
    opacity: 0.5;
}

.service-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    color: var(--border-hover);
    line-height: 1;
    margin-bottom: 1.25rem;
    transition: color var(--transition);
}

.service-card:hover .service-number {
    color: var(--gold-dim);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 0.875rem;
    line-height: 1.3;
}

.service-card p {
    font-size: 0.925rem;
    color: var(--muted);
    line-height: 1.75;
}

.service-tag {
    display: inline-block;
    margin-top: 1.5rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0.7;
    transition: opacity var(--transition);
}

.service-card:hover .service-tag {
    opacity: 1;
}

/* ----------------------------------------------------------
   10. TRANSFORMATIONS SECTION
   ---------------------------------------------------------- */
#transformacoes {
    background: var(--bg);
    position: relative;
}

#transformacoes::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.transformations-intro {
    margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.transformations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.transformation-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 3vw, 2.5rem);
    display: flex;
    flex-direction: column;
    gap: 0;
    transition:
        border-color var(--transition),
        transform var(--transition);
}

.transformation-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.transform-before {
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.transform-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.transform-label--before {
    color: #666;
}

.transform-label--after {
    color: var(--gold);
}

.transform-before p {
    font-size: 0.95rem;
    color: var(--muted);
    line-height: 1.6;
}

.transform-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 0;
}

.arrow-icon {
    width: 36px;
    height: 36px;
    background: var(--gold-dim);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

.transformation-card:hover .arrow-icon {
    background: rgba(244, 123, 32, 0.25);
}

.arrow-icon svg {
    width: 16px;
    height: 16px;
    stroke: var(--gold);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.transform-after {
    padding-top: 1.25rem;
}

.transform-after p {
    font-size: 0.95rem;
    color: var(--white);
    line-height: 1.6;
    font-weight: 500;
}

/* ----------------------------------------------------------
   11. HOW IT WORKS
   ---------------------------------------------------------- */
#como-funciona {
    background: var(--bg-card);
    position: relative;
}

#como-funciona::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.how-intro {
    margin-bottom: clamp(3.5rem, 7vw, 5.5rem);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    position: relative;
}

/* Connecting line between steps */
.steps-container::before {
    content: "";
    position: absolute;
    top: 30px;
    left: calc(16.666% + 1px);
    right: calc(16.666% + 1px);
    height: 1px;
    background: linear-gradient(90deg, var(--gold) 0%, var(--gold) 100%);
    opacity: 0.25;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 clamp(1rem, 3vw, 2.5rem);
    position: relative;
}

.step-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 1px solid var(--gold);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    transition:
        background var(--transition),
        box-shadow var(--transition);
}

.step:hover .step-circle {
    background: var(--gold-dim);
    box-shadow: 0 0 30px var(--gold-glow);
}

.step-num {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--gold);
    line-height: 1;
}

.step h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 0.875rem;
    line-height: 1.3;
}

.step p {
    font-size: 0.925rem;
    color: var(--muted);
    line-height: 1.75;
}

/* ----------------------------------------------------------
   12. ABOUT SECTION
   ---------------------------------------------------------- */
#sobre {
    background: var(--bg);
    position: relative;
}

#sobre::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.about-intro {
    margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.about-intro .section-subtitle {
    max-width: 680px;
}

/* Team grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 3.5vw, 2.75rem);
    text-align: center;
    transition: border-color var(--transition), transform var(--transition);
}

.team-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.team-photo-wrap {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    position: relative;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border);
    transition: border-color var(--transition);
}

.team-card:hover .team-photo-wrap {
    border-color: var(--gold);
}

.team-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.team-photo-placeholder {
    display: none;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    background: var(--bg-card-alt);
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--gold);
    letter-spacing: 0.05em;
}

.team-photo-wrap {
    position: relative;
}

.team-card h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 0.3rem;
}

.team-role {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.25rem;
}

.team-bio {
    font-size: 0.925rem;
    color: var(--muted);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.team-badges {
    justify-content: center;
}

/* Tech badges */
.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.badge {
    display: inline-block;
    padding: 0.35rem 0.875rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--muted-light);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 2rem;
    transition:
        border-color var(--transition),
        color var(--transition);
}

.badge:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* Stats row */
.about-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.about-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 2rem;
    text-align: center;
    transition:
        border-color var(--transition),
        transform var(--transition);
}

.about-stat:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.5;
}

/* ----------------------------------------------------------
   13. CONTACT / CTA SECTION
   ---------------------------------------------------------- */
#contacto {
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
}

#contacto::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.contact-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(
        circle,
        rgba(244, 123, 32, 0.06) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.contact-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
}

.contact-left .section-subtitle {
    max-width: 100%;
    margin-bottom: 2.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    background: var(--gold-dim);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 18px;
    height: 18px;
    stroke: var(--gold);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.contact-item-text {
    display: flex;
    flex-direction: column;
}

.contact-item-text span:first-child {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.15rem;
}

.contact-item-text a,
.contact-item-text span:last-child {
    font-size: 0.95rem;
    color: var(--white);
    transition: color var(--transition);
}

.contact-item-text a:hover {
    color: var(--gold);
}

/* Contact form */
.contact-form {
    background: var(--bg-card-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 3.5vw, 2.75rem);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.925rem;
    color: var(--white);
    transition:
        border-color var(--transition),
        box-shadow var(--transition);
    outline: none;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(244, 123, 32, 0.1);
}

.form-group textarea {
    min-height: 130px;
}

.form-submit {
    width: 100%;
    padding: 0.875rem;
}

/* ----------------------------------------------------------
   14. FOOTER
   ---------------------------------------------------------- */
footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding-block: 3rem;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--muted);
}

.footer-brand span {
    color: var(--gold);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--muted);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-copy {
    font-size: 0.8rem;
    color: #555;
    width: 100%;
    text-align: center;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
    margin-top: 0.5rem;
}

/* ----------------------------------------------------------
   15. RESPONSIVE — TABLET (≤ 1024px)
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .problem-cards .problem-card:last-child {
        grid-column: 1 / -1;
        max-width: 520px;
        margin-inline: auto;
    }
}

/* ----------------------------------------------------------
   16. RESPONSIVE — MOBILE (≤ 768px)
   ---------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }

    .nav-links,
    .btn-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-nav {
        display: flex;
    }

    .problem-cards {
        grid-template-columns: 1fr;
    }

    .problem-cards .problem-card:last-child {
        grid-column: unset;
        max-width: none;
    }

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

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

    .steps-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .steps-container::before {
        display: none;
    }

    .step {
        align-items: flex-start;
        text-align: left;
        flex-direction: row;
        gap: 1.5rem;
        padding: 0;
    }

    .step-circle {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .step-body {
        padding-top: 0.75rem;
    }

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

    .about-stats-row {
        grid-template-columns: 1fr;
    }

    .about-stat {
        transform: none !important;
    }

    .contact-inner {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-outline {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* ----------------------------------------------------------
   17. UTILITY
   ---------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Gold divider line reused */
.divider-gold {
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin-block: 0;
}