/* =============================================
   JUAN ANTHONY CALLE — PORTAFOLIO
   Paleta 3: Verdes profundos, formal y elegante
   ============================================= */

/* --- Variables de color y tipografía --- */
:root {
    --clr-deepest:   #051F20;
    --clr-dark:      #173831;
    --clr-mid:       #235347;
    --clr-sage:      #8CB79B;
    --clr-mist:      #DBF0DD;
    --clr-white:     #F5FAF6;
    --clr-text:      #c8dece;
    --clr-subtle:    #6a9a7a;
    --font-display:  'Cormorant Garamond', Georgia, serif;
    --font-body:     'DM Sans', sans-serif;
    --radius:        10px;
    --transition:    0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--clr-deepest);
    color: var(--clr-text);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
}

/* ============================================
   SCROLL REVEAL — Clase .reveal
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--transition),
                transform 0.7s var(--transition);
    transition-delay: var(--delay, 0s);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    background: rgba(5, 31, 32, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 12px 0;
    box-shadow: 0 2px 30px rgba(0,0,0,0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--clr-mist);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color var(--transition);
}

.nav-logo:hover { color: var(--clr-sage); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-links a {
    color: var(--clr-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    position: relative;
    transition: color var(--transition);
}

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

.nav-links a:hover { color: var(--clr-mist); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
    border: 1px solid var(--clr-sage) !important;
    padding: 7px 18px;
    border-radius: 4px;
    color: var(--clr-sage) !important;
}
.nav-cta:hover {
    background: var(--clr-sage) !important;
    color: var(--clr-deepest) !important;
}
.nav-cta::after { display: none !important; }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    width: 24px; height: 2px;
    background: var(--clr-mist);
    border-radius: 2px;
    transition: all 0.3s ease;
    display: block;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
    display: none;
    flex-direction: column;
    background: rgba(5, 31, 32, 0.97);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.nav-mobile.open {
    display: flex;
    max-height: 400px;
    padding: 16px 0 24px;
}
.nav-mobile a {
    color: var(--clr-text);
    text-decoration: none;
    padding: 12px 40px;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(140,183,155,0.08);
    transition: color var(--transition), background var(--transition);
}
.nav-mobile a:hover {
    color: var(--clr-mist);
    background: rgba(140,183,155,0.06);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(140,183,155,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(140,183,155,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    animation: orb-drift 12s ease-in-out infinite alternate;
}
.hero-orb-1 {
    width: 420px; height: 420px;
    background: radial-gradient(circle, rgba(35,83,71,0.45), transparent 70%);
    top: -80px; left: -100px;
}
.hero-orb-2 {
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(140,183,155,0.2), transparent 70%);
    bottom: 0; right: -60px;
    animation-delay: -6s;
}

@keyframes orb-drift {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(30px, 20px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
}

.hero-animate {
    opacity: 0;
    transform: translateY(30px);
    animation: hero-in 0.9s var(--transition) forwards;
    animation-delay: var(--delay, 0s);
}

@keyframes hero-in {
    to { opacity: 1; transform: translateY(0); }
}

.profile-img-container {
    position: relative;
    display: inline-block;
    margin-bottom: 24px;
}

.profile-img {
    width: 160px; height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--clr-sage);
    position: relative;
    z-index: 2;
    transition: transform var(--transition);
}
.profile-img:hover { transform: scale(1.05); }

.profile-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid rgba(140,183,155,0.3);
    animation: ring-pulse 3s ease-in-out infinite;
}

@keyframes ring-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50%       { transform: scale(1.08); opacity: 1; }
}

.hero-eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--clr-sage);
    margin-bottom: 16px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 300;
    color: var(--clr-white);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.hero h1 span {
    color: var(--clr-sage);
    font-weight: 600;
}

.hero h2 {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--clr-subtle);
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 0.04em;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--clr-text);
    max-width: 560px;
    margin: 0 auto 36px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 13px 28px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--clr-sage);
    color: var(--clr-deepest);
}
.btn-primary:hover {
    background: var(--clr-mist);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(140,183,155,0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--clr-sage);
    border: 1.5px solid var(--clr-sage);
}
.btn-secondary:hover {
    background: rgba(140,183,155,0.1);
    transform: translateY(-3px);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: hero-in 0.9s var(--transition) 1.2s forwards;
}

.hero-scroll-hint span {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-subtle);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--clr-sage), transparent);
    animation: scroll-drop 2s ease-in-out infinite;
}

@keyframes scroll-drop {
    0%   { transform: scaleY(0); transform-origin: top; }
    50%  { transform: scaleY(1); transform-origin: top; }
    51%  { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   LABELS Y TÍTULOS DE SECCIÓN
   ============================================ */
.section-label {
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--clr-sage);
    margin-bottom: 12px;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--clr-white);
    font-weight: 400;
    margin-bottom: 16px;
    line-height: 1.2;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px; height: 3px;
    background: linear-gradient(90deg, var(--clr-sage), transparent);
    margin-top: 14px;
    border-radius: 2px;
}

/* ============================================
   SOBRE MÍ
   ============================================ */
.about {
    padding: 120px 20px;
    background-color: var(--clr-dark);
}

.about-container {
    max-width: 1100px;
    margin: 0 auto;
}

.about-container .section-title { margin-bottom: 60px; }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    color: var(--clr-text);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 20px;
}
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: rgba(5, 31, 32, 0.6);
    border: 1px solid rgba(140,183,155,0.15);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    transition: transform var(--transition), border-color var(--transition);
}
.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--clr-sage);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--clr-sage);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 0.82rem;
    color: var(--clr-subtle);
    line-height: 1.4;
}

/* ============================================
   HABILIDADES
   ============================================ */
.stat-number svg {
    color: var(--clr-sage);
    stroke: var(--clr-sage);
}

.skills {
    padding: 120px 20px;
    background-color: var(--clr-deepest);
}

.skills-container {
    max-width: 1100px;
    margin: 0 auto;
}

.skills-container .section-title { margin-bottom: 60px; }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 50px;
}

.skill-category {
    background: var(--clr-dark);
    border: 1px solid rgba(140,183,155,0.1);
    padding: 36px 30px;
    border-radius: var(--radius);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.skill-category:hover {
    transform: translateY(-8px);
    border-color: rgba(140,183,155,0.35);
    box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.skill-icon-bg {
    font-size: 1.2rem;
    color: var(--clr-sage);
}

.skill-category-header h3 {
    color: var(--clr-white);
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

.skill-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 72px;
    transition: transform var(--transition);
}
.skill-item:hover { transform: translateY(-4px); }

.skill-item i {
    font-size: 3rem;
    transition: filter var(--transition);
}
.skill-item:hover i { filter: drop-shadow(0 0 8px var(--clr-sage)); }

.skill-item span {
    color: var(--clr-subtle);
    font-size: 0.82rem;
    font-weight: 500;
    text-align: center;
}

/* ============================================
   PROYECTOS
   ============================================ */
.projects {
    padding: 120px 20px;
    background-color: var(--clr-dark);
}

.projects-container {
    max-width: 1200px;
    margin: 0 auto;
}

.projects-container .section-title { margin-bottom: 60px; }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
    margin-top: 50px;
}

.project-card {
    background: var(--clr-deepest);
    border: 1px solid rgba(140,183,155,0.1);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    border-color: rgba(140,183,155,0.3);
}

.project-image {
    width: 100%;
    height: 190px;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    filter: brightness(0.75);
}

.project-card:hover .project-image img {
    transform: scale(1.06);
    filter: brightness(0.9);
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5,31,32,0.7) 0%, transparent 60%);
}

.project-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: rgba(219,240,221,0.12);
    position: absolute;
    top: 12px; right: 20px;
    z-index: 1;
    line-height: 1;
}

.project-info {
    padding: 28px;
}

.project-info h3 {
    color: var(--clr-white);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 12px;
    letter-spacing: 0.01em;
}

.project-info p {
    color: var(--clr-subtle);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}

.project-tags span {
    background: rgba(35,83,71,0.5);
    color: var(--clr-sage);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(140,183,155,0.15);
}

.project-links {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-link svg {
    display: block;
    flex-shrink: 0;
}

.btn-link {
    text-decoration: none;
    font-weight: 500;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    letter-spacing: 0.04em;
    padding: 8px 16px;
    border-radius: 6px;
    line-height: 1;
    height: 38px;
    transition: all var(--transition);
}

.btn-link-github {
    color: var(--clr-sage);
    border: 1px solid rgba(140,183,155,0.25);
    background: transparent;
}
.btn-link-github:hover {
    background: rgba(140,183,155,0.1);
    border-color: var(--clr-sage);
    transform: translateY(-2px);
}

.btn-link-live {
    color: var(--clr-deepest);
    background: var(--clr-sage);
    border: 1px solid var(--clr-sage);
}
.btn-link-live:hover {
    background: var(--clr-mist);
    border-color: var(--clr-mist);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(140,183,155,0.3);
}

/* ============================================
   TRAYECTORIA
   ============================================ */
.timeline-section {
    padding: 120px 20px;
    background: var(--clr-deepest);
}

.timeline-container {
    max-width: 760px;
    margin: 0 auto;
}

.timeline-container .section-title { margin-bottom: 60px; }

.timeline {
    position: relative;
    margin-top: 50px;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 4px; bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--clr-sage), rgba(140,183,155,0.1));
}

.timeline-item {
    position: relative;
    margin-bottom: 44px;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -38px; top: 4px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--clr-deepest);
    border: 2px solid var(--clr-sage);
    transition: background var(--transition), box-shadow var(--transition);
}
.timeline-item:hover .timeline-dot {
    background: var(--clr-sage);
    box-shadow: 0 0 12px var(--clr-sage);
}

.timeline-content {
    background: var(--clr-dark);
    border: 1px solid rgba(140,183,155,0.1);
    padding: 28px 30px;
    border-radius: var(--radius);
    transition: transform var(--transition), border-color var(--transition);
}
.timeline-content:hover {
    transform: translateX(6px);
    border-color: rgba(140,183,155,0.3);
}

.timeline-date {
    display: inline-block;
    background: rgba(35,83,71,0.4);
    color: var(--clr-sage);
    padding: 3px 12px;
    border-radius: 14px;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    font-weight: 500;
    margin-bottom: 14px;
    border: 1px solid rgba(140,183,155,0.15);
}

.timeline-content h3 {
    color: var(--clr-white);
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.timeline-content h4 {
    color: var(--clr-sage);
    font-size: 0.95rem;
    font-weight: 400;
    margin-bottom: 14px;
    letter-spacing: 0.02em;
}

.timeline-content p {
    color: var(--clr-text);
    font-size: 0.96rem;
    line-height: 1.7;
}

/* ============================================
   FOOTER / CONTACTO
   ============================================ */
.footer {
    background: var(--clr-mid);
    padding: 90px 20px 40px;
    position: relative;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(5,31,32,0.6), transparent),
        radial-gradient(ellipse 50% 60% at 80% 20%, rgba(23,56,49,0.5), transparent);
    pointer-events: none;
}

.footer-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-headline h2 {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 300;
    color: var(--clr-white);
    line-height: 1.2;
    margin-bottom: 16px;
}
.footer-headline h2 span {
    color: var(--clr-mist);
    font-weight: 600;
}

.footer-headline p {
    color: rgba(219,240,221,0.6);
    font-size: 1.05rem;
    margin-bottom: 50px;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(5,31,32,0.4);
    border: 1px solid rgba(219,240,221,0.15);
    padding: 16px 28px;
    border-radius: 8px;
    color: var(--clr-mist);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all var(--transition);
}
.contact-card:hover {
    background: rgba(5,31,32,0.7);
    border-color: var(--clr-sage);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.contact-icon {
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.social-links a {
    color: rgba(219,240,221,0.65);
    text-decoration: none;
    border: 1px solid rgba(219,240,221,0.2);
    padding: 8px 22px;
    border-radius: 30px;
    font-size: 0.88rem;
    letter-spacing: 0.05em;
    transition: all var(--transition);
}
.social-links a:hover {
    background: var(--clr-sage);
    color: var(--clr-deepest);
    border-color: var(--clr-sage);
    font-weight: 600;
    transform: translateY(-2px);
}

.copyright {
    font-size: 0.82rem;
    color: rgba(219,240,221,0.3);
    letter-spacing: 0.04em;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .nav-container { padding: 0 20px; }

    .hero { padding: 90px 20px 60px; }
    .about, .skills, .projects, .timeline-section { padding: 80px 20px; }
    .footer { padding: 70px 20px 36px; }

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

    .contact-grid { flex-direction: column; align-items: center; }
    .contact-card { width: 100%; max-width: 400px; justify-content: center; }

    .timeline { padding-left: 24px; }
    .timeline-dot { left: -30px; }

    .hero-scroll-hint { display: none; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2.4rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 280px; justify-content: center; }
    .about-stats { grid-template-columns: 1fr; }
    .stat-card { padding: 18px; }
}